Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ313-231100-
/O.UPG.KTFX.WS.A.0006.260423T0600Z-260424T0000Z/
/O.EXB.KTFX.WS.W.0006.260423T0600Z-260424T0000Z/
Judith Basin County and Judith Gap-
Including the following locations: Raynesford, Benchland, Geyser,
Stanford, Windham, Hobson, and Moccasin
158 PM MDT Wed Apr 22 2026
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT
THURSDAY...
* WHAT...Heavy, wet snow expected. Total snow accumulations of 2 to
8 inches possible, heaviest over northwestern Judith Basin county.
Winds could gust as high as 50 mph.
* WHERE...Judith Basin County and Judith Gap.
* WHEN...From midnight tonight to 6 PM MDT Thursday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. Falling and or blowing snow may significantly
reduce visibility below a quarter mile at times.
* ADDITIONAL DETAILS...The heavy, wet snow may cause instances of
power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ317-231100-
/O.UPG.KTFX.WS.A.0006.260423T0000Z-260424T0000Z/
/O.EXA.KTFX.WS.W.0006.260423T0000Z-260424T0000Z/
Little Belt and Highwood Mountains-
Including the following locations: Kings Hill Pass, Neihart, and
Monarch
158 PM MDT Wed Apr 22 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
THURSDAY...
* WHAT...Heavy, wet snow expected. Total snow accumulations between
6 and 12 inches, with higher amounts over the mountain peaks.
Winds could gust as high as 50 mph.
* WHERE...Little Belt and Highwood Mountains.
* WHEN...From 6 PM this evening to 6 PM MDT Thursday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. Falling and or blowing snow may significantly
reduce visibility below a quarter mile at times. Those with
outdoor plans should be prepared for dangerous outdoor conditions.
* ADDITIONAL DETAILS...The heavy, wet snow may cause instances of
power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ330-231100-
/O.EXT.KTFX.WS.W.0006.260423T0000Z-260424T1800Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Raynolds Pass, West
Yellowstone, Big Sky, and Targhee Pass
158 PM MDT Wed Apr 22 2026
...WINTER STORM WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO NOON
MDT FRIDAY...
* WHAT...Heavy, wet snow expected. Total snow accumulations between
7 and 14 inches, with higher amounts over the mountain peaks.
Winds gusting as high as 40 mph.
* WHERE...Gallatin and Madison County Mountains and Centennial
Mountains.
* WHEN...From 6 PM this evening to noon MDT Friday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. Falling and or blowing snow may significantly
reduce visibility at times. Those with outdoor plans should be
prepared for dangerous outdoor conditions.
* ADDITIONAL DETAILS...The heavy, wet snow may cause instances of
power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions can
be obtained by calling 5 1 1 or visiting the MDT Road Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
110 PM MDT Wed Apr 22 2026
MTZ067-231915-
/O.CON.KBYZ.WS.W.0008.260423T0000Z-260424T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
110 PM MDT Wed Apr 22 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6
AM MDT FRIDAY...
* WHAT...Heavy snow expected. Total snow accumulations between 8 and
15 inches. Winds gusting as high as 60 mph.
* WHERE...Absaroka/Beartooth Mountains.
* WHEN...From 6 PM this evening to 6 AM MDT Friday.
* IMPACTS...Recreation in the high country will be impacted by heavy
accumulating snow. Blowing snow could significantly reduce
visibility.
* ADDITIONAL DETAILS...The strongest winds are forecast this evening
east of the Stillwater River Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. For the latest road conditions, call
5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
110 PM MDT Wed Apr 22 2026
MTZ068-231915-
/O.EXA.KBYZ.WS.W.0008.260423T0000Z-260424T1200Z/
Crazy Mountains-
110 PM MDT Wed Apr 22 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT
FRIDAY...
* WHAT...Heavy snow expected. Total snow accumulations of 12 to 18
inches. Winds gusting as high as 70 mph.
* WHERE...Crazy Mountains.
* WHEN...From 6 PM this evening to 6 AM MDT Friday.
* IMPACTS...Recreation in the high country will be impacted by heavy
accumulating snow. Blowing snow could significantly reduce
visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. For the latest road conditions, call
5 1 1.
&&
$$
High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
210 PM MDT Wed Apr 22 2026
MTZ304>306-310-311-314-230100-
/O.UPG.KTFX.HW.A.0020.260423T0600Z-260424T0000Z/
/O.NEW.KTFX.HW.W.0023.260423T0600Z-260424T0000Z/
Eastern Toole and Liberty-Hill County-Northern Blaine County-
Western and Central Chouteau County-Bears Paw Mountains and
Southern Blaine-Fergus County below 4500ft-
Including the following locations: Fort Belknap, Shelby, Chinook,
Galata, Harlem, Floweree, Carter, Havre, Chester, Joplin, Hilger,
Zurich, Lothair, Fort Benton, Hogeland, Lewistown, Rocky Boy,
Whitlash, and Devon
210 PM MDT Wed Apr 22 2026
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT
THURSDAY...
* WHAT...Northwesterly winds 30 to 40 mph with gusts up to 65 mph
expected.
* WHERE...Eastern Toole and Liberty Counties, Hill County, Northern
Blaine County, Western and Central Chouteau County, Bears Paw
Mountains and Southern Blaine, and Fergus County below 4500ft.
* WHEN...From midnight tonight to 6 PM MDT Thursday.
* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.
* ADDITIONAL DETAILS...The strongest winds will be the over the
southeast aspects of the Sweetgrass Hills, Bear`s Paw, and Snowy
Mountains.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People are urged to secure loose objects that could be blown around
or damaged by the wind.
Remember, a High Wind Warning means that there is at least an 80%
chance of 40 mph sustained winds or 58 mph wind gusts occurring
during the warning period.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
210 PM MDT Wed Apr 22 2026
MTZ324-328-230000-
/O.CON.KTFX.HW.W.0022.000000T0000Z-260423T0000Z/
Missouri Headwaters-Beaverhead and Western Madison below 6000ft-
Including the following locations: Glen, Dillon, Three Forks,
Willow Creek, Whitehall, Waterloo, Harrison, Bannack, and Pony
210 PM MDT Wed Apr 22 2026
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING...
* WHAT...South to southwesterly winds 30 to 40 mph with gusts up to
55 mph.
* WHERE...Beaverhead and Western Madison below 6000ft and Missouri
Headwaters.
* WHEN...Until 6 PM MDT this evening.
* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People are urged to secure loose objects that could be blown around
or damaged by the wind.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
210 PM MDT Wed Apr 22 2026
MTZ325-230000-
/O.CON.KTFX.HW.W.0022.000000T0000Z-260423T0000Z/
Madison River Valley-
Including the following locations: Cameron, Ennis, Jeffers,
Norris, and McAllister
210 PM MDT Wed Apr 22 2026
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING...
* WHAT...Southerly winds 30 to 40 mph with gusts up to 55 mph.
* WHERE...Madison River Valley.
* WHEN...Until 6 PM MDT this evening.
* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People are urged to secure loose objects that could be blown around
or damaged by the wind.
&&
$$
RG
URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
1239 PM MDT Wed Apr 22 2026
MTZ016-017-021-022-059>061-231000-
/O.UPG.KGGW.HW.A.0008.260423T0600Z-260424T0000Z/
/O.NEW.KGGW.HW.W.0012.260423T0600Z-260424T0200Z/
Central and Southeast Phillips-Central and Southern Valley-
Petroleum-Garfield-Northern Phillips-Southwest Phillips-Northern
Valley-
Including Glasgow, Hinsdale, Opheim, Saco, Winnett, Malta,
Frazer, Zortman, Jordan, Whitewater, and Fort Peck
1239 PM MDT Wed Apr 22 2026
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MDT
THURSDAY...
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph
expected.
* WHERE...Phillips, Valley, Garfield, and Petroleum Counties.
* WHEN...From midnight tonight to 8 PM MDT Thursday.
* IMPACTS...High winds may move loose debris, damage property, and
cause power bumps. Travel could be difficult, especially for high
profile vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain in the lower levels of your home during the windstorm, and
avoid windows. Watch for falling debris and tree limbs. Use caution
if you must drive.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
1016 AM MDT Wed Apr 22 2026
MTZ056-231200-
/O.NEW.KBYZ.HW.W.0014.260422T1800Z-260423T1200Z/
Red Lodge Foothills-
Including the locations of Red Lodge
1016 AM MDT Wed Apr 22 2026
...HIGH WIND WARNING IN EFFECT UNTIL 6 AM MDT THURSDAY...
* WHAT...West winds 20 to 30 mph with gusts up to 60 mph expected.
* WHERE...Red Lodge Foothills.
* WHEN...Until 6 AM MDT Thursday.
* IMPACTS...Warm and dry conditions could cause rapid fire spread.
Use caution with any burning activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People are urged to secure loose objects that could be blown around
or damaged by the wind.
&&
$$
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Glasgow MT
1221 PM MDT Wed Apr 22 2026
MTZ120-122-134>137-230300-
/O.CON.KGGW.FW.W.0002.000000T0000Z-260423T0300Z/
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
Northern Valley and Northern Phillips Counties-The Little Rockies-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
Southern Petroleum and Southern Garfield Counties-
1221 PM MDT Wed Apr 22 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR LOW RELATIVE HUMIDITY, GUSTY WINDS AND THUNDERSTORMS FOR FIRE
WEATHER ZONES 120, 122, 134, 135, 136, AND 137...
* AFFECTED AREA...Fire weather zones 120, 122, 134, 135, 136, and
137.
* WIND...Southwest then west at 15 to 25 mph, gusting up to 35 mph.
* HUMIDITY...As low as 20 percent near the Canadian border to
as low as 10 percent south of Highway 2.
* THUNDERSTORMS...Isolated coverage after 3pm mainly for zones
134-137, producing strong and shifting winds.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1209 PM MDT Wed Apr 22 2026
WYZ275-276-280>283-285-287-289-300-230200-
/O.CON.KRIW.FW.W.0012.000000T0000Z-260423T0200Z/
North Bighorn Basin/Worland BLM-Cody Foothills-
Natrona County/Casper BLM-Johnson County/Casper BLM-
South Bighorn Basin/Worland BLM-
Upper Wind River Basin/Wind River Basin-South Bighorn Mountains-
Owl Creek Mountains-Granite/Green/Ferris/Rattlesnake Mountains-
Casper Mountain-
1209 PM MDT Wed Apr 22 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING...
* AFFECTED AREA:
In Central WY Fire Zones...280...283...285...289...300.
In North Central WY Fire Zones...275...276...281...282...287.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Big Horn...Hot Springs...Johnson...Park
and Washakie.
In Southwest WY...Sweetwater.
* IMPACTS: Strong gusty wind...low humidity...and unseasonably warm
temperatures could cause erratic fire behavior.
* WIND: Southwest 25 to 35 mph with widespread gusts of 35 to 45
mph. Gusts in Natrona County will frequently range from 55 to 65
mph.
* HUMIDITY: As low as 8 to 13 percent.
* TEMPERATURES: Highs in the 60s, with 70s in the Bighorn Basin and
around Casper.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
A High Wind Warning is also in effect until 8 PM Wednesday for most
of Natrona County.
&&
$$
http://weather.gov/riverton
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ301-302-231100-
/O.CON.KTFX.WW.Y.0022.260423T0000Z-260424T0000Z/
East Glacier Park Region-Northern High Plains-
Including the following locations: East Glacier Park, Logan Pass,
Saint Mary, Dupuyer, Kiowa, Browning, Babb, Marias Pass, and
Heart Butte
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT THURSDAY...
* WHAT...Wet snow expected. Total snow accumulations up to 3 inches
over the plains, between 2 and 6 inches at Marias Pass, and
amounts in excess of 6 inches over the higher terrain of Glacier
National Park. Winds gusting as high as 45 mph.
* WHERE...Eastern Glacier National Park and adjacent foothills and
plains.
* WHEN...From 6 PM this evening to 6 PM MDT Thursday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. Falling and or blowing snow may significantly
reduce visibility at times. Tire chains may be required for some
vehicles if traveling through mountain passes. Those with outdoor
plans should be prepared for dangerous outdoor conditions.
* ADDITIONAL DETAILS...The heavy, wet snow may cause instances of
power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ307-315-316-322-327-329-231100-
/O.CON.KTFX.WW.Y.0022.260423T0000Z-260424T1800Z/
Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-
Gates of the Mountains-Elkhorn and Boulder Mountains-Northwest
Beaverhead County-Ruby Mountains and Southern Beaverhead
Mountains-
Including the following locations: Wickes, Flesher Pass,
Homestake Pass, Lincoln, Wise River, Rogers Pass, Chief Joseph
Pass, Marysville, Montana City, Big Hole Pass, Clancy, Wisdom,
Craig, Wolf Creek, Dewey, Canyon Creek, Elk Park Pass, Monida
Pass, Corbin, Boulder, and MacDonald Pass
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT FRIDAY...
* WHAT...Wet snow expected. Total snow accumulations between 5 and
10 inches, with higher amounts over the mountain peaks. Winds
gusting as high as 40 mph.
* WHERE...Portions of central, north central, and southwest Montana.
* WHEN...From 6 PM this evening to noon MDT Friday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. Falling and or blowing snow may significantly
reduce visibility at times. Tire chains may be required for some
vehicles if traveling through mountain passes. Those with outdoor
plans should be prepared for dangerous outdoor conditions.
* ADDITIONAL DETAILS...The wet snow may cause instances of power
outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ311-314-318-231100-
/O.CON.KTFX.WW.Y.0022.260423T0600Z-260424T0000Z/
Bears Paw Mountains and Southern Blaine-Fergus County below
4500ft-Snowy and Judith Mountains-
Including the following locations: Rocky Boy, Lewistown, and
Hilger
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM MDT THURSDAY...
* WHAT...wet snow expected. Total snow accumulations between 2 and 8
inches, highest over the Bears Paw and Snowy Mountains. Winds
gusting over 50 mph at times.
* WHERE...Snowy and Judith Mountains, Bears Paw Mountains and
Southern Blaine, and Fergus County below 4500ft.
* WHEN...From midnight tonight to 6 PM MDT Thursday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. Falling and or blowing snow may significantly
reduce visibility at times. Those with outdoor plans should be
prepared for dangerous outdoor conditions.
* ADDITIONAL DETAILS...The wet snow may cause instances of power
outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
RG
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ312-231100-
/O.EXB.KTFX.WW.Y.0022.260423T0600Z-260423T1800Z/
Cascade County below 5000ft-
Including the following locations: Great Falls
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
MDT THURSDAY...
* WHAT...Wet snow expected. Total snow accumulations up to 5 inches,
highest over southern and eastern Cascade County.
* WHERE...Cascade County below 5000ft.
* WHEN...From midnight tonight to noon MDT Thursday.
* IMPACTS...Expect highly variable road conditions, including
difficult driving due to slush or snow covered roadways.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ319-231100-
/O.EXA.KTFX.WW.Y.0022.260423T0000Z-260424T1800Z/
Helena Valley-
Including the following locations: Helena
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
MDT FRIDAY...
* WHAT...Wet snow expected. Total snow accumulations between 2 and 6
inches, highest over the southern and western portions of the
Helena Valley. Winds gusting as high as 35 mph.
* WHERE...Helena Valley.
* WHEN...From 6 PM this evening to noon MDT Friday.
* IMPACTS...Expect highly variable road conditions, including
difficult driving due to slush or snow covered roadways. The
hazardous conditions could impact the Thursday and Friday morning
commutes.
* ADDITIONAL DETAILS...The most impactful snow is expected Thursday
morning. The wet snow may cause isolated instances of power
outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ320-231100-
/O.EXT.KTFX.WW.Y.0022.260423T0000Z-260424T1800Z/
Big Belt, Bridger and Castle Mountains-
Including the following locations: Trident, Bozeman Pass, Battle
Ridge Pass, Maudlow, and Deep Creek Pass
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
NOON MDT FRIDAY...
* WHAT...Wet snow expected. Total snow accumulations between 5 and
10 inches, with higher amounts over the mountain peaks. Winds
gusting over 40 mph at times.
* WHERE...Big Belt, Bridger and Castle Mountains.
* WHEN...From 6 PM this evening to noon MDT Friday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. Those in the backcountry should ensure they are
prepared for dangerous conditions.
* ADDITIONAL DETAILS...The wet snow may cause isolated instances of
power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ323>325-328-231100-
/O.EXB.KTFX.WW.Y.0022.260424T0000Z-260424T1800Z/
Canyon Ferry Area-Missouri Headwaters-Madison River Valley-
Beaverhead and Western Madison below 6000ft-
Including the following locations: Bannack, Glen, Cameron,
Winston, Dillon, Ennis, Three Forks, Willow Creek, Pony,
Townsend, Whitehall, McAllister, Waterloo, Harrison, Norris,
Jeffers, and Toston
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THURSDAY TO NOON MDT
FRIDAY...
* WHAT...wet snow expected. Total snow accumulations between 1 and 4
inches. Winds gusting as high as 35 mph.
* WHERE...The Madison and Beaverhead River Valleys, Canyon Ferry
Area, and Missouri Headwaters.
* WHEN...From 6 PM Thursday to noon MDT Friday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways.
* ADDITIONAL DETAILS...The wet snow may cause isolated instances of
power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
158 PM MDT Wed Apr 22 2026
MTZ326-231100-
/O.UPG.KTFX.WS.A.0007.260424T0000Z-260424T1800Z/
/O.EXB.KTFX.WW.Y.0022.260424T0000Z-260424T1800Z/
Gallatin Valley-
Including the following locations: Gallatin Gateway and Bozeman
158 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THURSDAY TO NOON MDT
FRIDAY...
* WHAT...Wet snow expected. Total snow accumulations between 2 and 6
inches, highest on the south and eastern portions of the Gallatin
Valley.
* WHERE...Gallatin Valley.
* WHEN...From 6 PM Thursday to noon MDT Friday.
* IMPACTS...Expect difficult driving conditions due to slush or snow
covered roadways. The hazardous conditions could impact the
Thursday evening and Friday morning commutes.
* ADDITIONAL DETAILS...The wet snow may cause isolated instances of
power outages and or tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
To see a graphical representation of the degree of stress on young
livestock please visit our webpage and select Local Programs then
Cold Air Advisory for Newborn Livestock.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
122 PM MDT Wed Apr 22 2026
WYZ001-231400-
/O.CON.KRIW.WW.Y.0016.000000T0000Z-260424T0500Z/
Yellowstone National Park-
Including the cities of Lake, Old Faithful, and Mammoth
122 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT
THURSDAY...
* WHAT...Snow expected. Total snow accumulations between 4 and 10
inches, with lesser accumulations of 1 to 4 inches nearby Mammoth
and the western entrance of YNP. Accumulations of 6 to 12 inches
are expected across the higher elevations with up to 18 inches at
Pitchstone Plateau in southwest Yellowstone. Winds gusting between
30 and 45 mph.
* WHERE...Yellowstone National Park.
* WHEN...Until 11 PM MDT Thursday.
* IMPACTS...Travel could be very difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter.
For current road conditions across Yellowstone National Park, visit
https://nps.gov/yellowstone.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
122 PM MDT Wed Apr 22 2026
WYZ002-231400-
/O.CON.KRIW.WW.Y.0016.000000T0000Z-260424T0500Z/
Absaroka Mountains-
122 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT
THURSDAY...
* WHAT...Snow expected. Total snow accumulations between 6 and 12
inches for elevations 9,000 feet and above. Winds gusting between
50 and 70 mph, especially across the eastern portions of the
Absaroka Mountains.
* WHERE...Absaroka Mountains.
* WHEN...Until 11 PM MDT Thursday.
* IMPACTS...Travel could be very difficult, especially in the
backcountry.
* ADDITIONAL DETAILS...Total snow accumulations of 1 to 4 inches
along US 14/60/20 west of Cody and amounts of 4 to 8 inches across
Chief Joseph Pass.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1238 PM MDT Wed Apr 22 2026
IDZ060-063-064-066-231200-
/O.CON.KPIH.WW.Y.0010.000000T0000Z-260424T0600Z/
Bear River Range-Caribou Range-Big Hole Mountains-Centennial
Mountains - Island Park-
Including the cities of Wayan, Emigration Summit, Victor, Swan
Valley, Kilgore, and Island Park
1238 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
THURSDAY NIGHT ABOVE 6500 FEET ELEVATION...
* WHAT...Snow ABOVE 6500 FEET ELEVATION. Total snow accumulations
between 5 and 9 inches at those levels. Winds gusting as high as
45 mph.
* WHERE...Big Hole Mountains, Centennial Mountains - Island Park,
Bear River Range, and Caribou Range.
* WHEN...Until midnight MDT Thursday Night.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday evening and Thursday morning commutes.
Gusty winds could bring down tree branches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1238 PM MDT Wed Apr 22 2026
IDZ069-071>074-231200-
/O.CON.KPIH.WW.Y.0010.000000T0000Z-260423T1200Z/
Lost River Range-Frank Church Wilderness-Sawtooth/Stanley Basin-
Sun Valley Region-Big Lost Highlands/Copper Basin-
Including the cities of Ketchum, Borah Peak, Stanley, Sun Valley,
Galena, Copper Basin, and Clayton
1238 PM MDT Wed Apr 22 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY
ABOVE 6500 FEET ELEVATION...
* WHAT...Snow ABOVE 6500 FEET ELEVATION. Additional snow
accumulations up to 6 inches. Winds gusting as high as 45 mph.
* WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness,
Lost River Range, Sawtooth/Stanley Basin, and Sun Valley Region.
* WHEN...Until 6 AM MDT Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday evening commute. Gusty winds
could bring down tree branches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.
&&
$$
Visit weather.gov/pocatello for more information.
GK
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
150 PM MDT Tue Apr 21 2026
IDZ006-241800-
/O.NEW.KMSO.WW.Y.0021.260423T0000Z-260424T1800Z/
Southern Clearwater Mountains-
1250 PM PDT Tue Apr 21 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 11 AM
PDT FRIDAY ABOVE 4000 FEET...
* WHAT...Snow expected above 4000 feet. There is a likelihood of
moderate winter weather impacts. Total snow accumulations of 1 to
4 inches below 5000 feet, 6 to 10 inches at pass level and over 12
inches in the high terrain.
* WHERE...Elk City and Dixie.
* WHEN...From 5 PM Wednesday to 11 AM PDT Friday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Wednesday
evening and Thursday morning commutes, especially over higher
passes.
* ADDITIONAL DETAILS...Lower elevation snow accumulations are most
likely Thursday night.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
150 PM MDT Tue Apr 21 2026
IDZ009-010-241800-
/O.NEW.KMSO.WW.Y.0021.260423T0000Z-260424T1800Z/
Western Lemhi County-Eastern Lemhi County-
150 PM MDT Tue Apr 21 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT
FRIDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 1 to 3
inches in the valleys, 5 to 10 inches at pass level and over 12
inches in the high terrain.
* WHERE...Salmon, Bannock Pass, Shoup, Williams Creek Summit,
Highway 28 Tendoy to Lone Pine, Lemhi Pass, and Highway 93 Lost
Trail Pass to Gibbonsville.
* WHEN...From 6 PM Wednesday to noon MDT Friday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Thursday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...Valley accumulations are most likely Thursday
night.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
150 PM MDT Tue Apr 21 2026
MTZ002-240000-
/O.NEW.KMSO.WW.Y.0021.260423T0000Z-260424T0000Z/
West Glacier Region-
150 PM MDT Tue Apr 21 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM MDT
THURSDAY...
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations of 1 to 3 inches below
4000 feet, 4 to 7 inches at pass level and over 10 inches in the
high terrain.
* WHERE...Glacier National Park, Marias Pass, Bad Rock Canyon,
Essex, Highway 83 Bigfork to Swan Lake, and Polebridge.
* WHEN...From 6 PM Wednesday to 6 PM MDT Thursday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Thursday
morning and evening commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
150 PM MDT Tue Apr 21 2026
MTZ006-241800-
/O.NEW.KMSO.WW.Y.0021.260423T0000Z-260424T1800Z/
Bitterroot/Sapphire Mountains-
150 PM MDT Tue Apr 21 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT
FRIDAY...
* WHAT...Snow expected. There is a likelihood of moderate winter
weather impacts. Total snow accumulations of 1 to 5 inches below
4000 feet, 6 to 10 inches at pass level and over 12 inches in the
high terrain.
* WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass.
* WHEN...From 6 PM Wednesday to noon MDT Friday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Thursday
morning and evening commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
150 PM MDT Tue Apr 21 2026
MTZ007-241800-
/O.NEW.KMSO.WW.Y.0021.260423T0000Z-260424T1800Z/
Butte/Blackfoot Region-
150 PM MDT Tue Apr 21 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT
FRIDAY...
* WHAT...Snow expected. There is a likelihood of moderate to
isolated major winter weather impacts. Total snow accumulations of
2 and 5 inches in the valleys, 5 to 10 inches at pass level, and
over 12 inches in the high terrain. Winds gusting as high as 35
mph.
* WHERE...Georgetown Lake, Butte, Highway 12 Garrison to Elliston,
MacDonald Pass, and Homestake Pass.
* WHEN...From 6 PM Wednesday to noon MDT Friday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. For MAJOR winter weather impacts, expect considerable
disruptions to normal activities. Dangerous or impossible
traveling conditions. Avoid travel in the impacted areas if
possible. Widespread closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Thursday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...The most impactful snow accumulations are
most likely to occur Thursday evening through Friday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
150 PM MDT Tue Apr 21 2026
MTZ043-241800-
/O.NEW.KMSO.WW.Y.0021.260423T0000Z-260424T1800Z/
Potomac/Seeley Lake Region-
150 PM MDT Tue Apr 21 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT
FRIDAY...
* WHAT...Snow expected. There is a likelihood of moderate to
isolated major winter weather impacts. Total snow accumulations of
2 and 4 inches in the valleys and 6 to 12 inches in the mountains.
* WHERE...Highway 200 Bonner to Greenough, I-90 East Missoula to
Bearmouth, and Highway 83 Seeley Lake to Condon.
* WHEN...From 6 PM Wednesday to noon MDT Friday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur. For MAJOR winter weather impacts, expect considerable
disruptions to normal activities. Dangerous or impossible
traveling conditions. Avoid travel in the impacted areas if
possible. Widespread closures and disruptions to infrastructure
may occur. The hazardous conditions could impact the Thursday
morning and evening commutes, especially over higher passes.
* ADDITIONAL DETAILS...The most impactful snow accumulations are
most likely to occur Thursday evening through Friday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
JK
Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1237 PM MDT Wed Apr 22 2026
IDZ051-053-054-230600-
/O.CON.KPIH.WI.Y.0017.000000T0000Z-260423T0600Z/
Shoshone/Lava Beds-Upper Snake River Plain-Lower Snake River
Plain-
Including the cities of Pocatello, Shoshone, Idaho Falls,
Rexburg, Carey, Blackfoot, American Falls, Fort Hall, Shelley,
Richfield, and St. Anthony
1237 PM MDT Wed Apr 22 2026
...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
* WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph.
* WHERE...Shoshone/Lava Beds, Lower Snake River Plain, and Upper
Snake River Plain.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Gusty winds could make driving difficult, especially for
high profile vehicles. Unsecured objects may be blown around.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
Secure outdoor objects.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
1016 AM MDT Wed Apr 22 2026
MTZ065-066-230600-
/O.NEW.KBYZ.WI.Y.0015.260422T1616Z-260423T0600Z/
Livingston Area-Beartooth Foothills-
Including the locations of Limestone, Dean, Fishtail, Nye,
Livingston, and Mc Leod
1016 AM MDT Wed Apr 22 2026
...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph
expected.
* WHERE...Beartooth Foothills and Livingston Area.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Strong crosswinds will make travel difficult along
Interstate 90 from Livingston to Big Timber and roads along the
Beartooth Foothills. Warm and dry conditions could cause rapid fire
spread. Use caution with any burning activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution and consider postponing travel
until winds subside, or take an alternate route.
Secure outdoor objects.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Stetzer
Special Weather Statement
Special Weather Statement
National Weather Service Glasgow MT
329 PM MDT Wed Apr 22 2026
MTZ021-022-222230-
Petroleum MT-Garfield MT-
329 PM MDT Wed Apr 22 2026
...A strong thunderstorm will impact portions of southeastern
Petroleum and southwestern Garfield Counties through 430 PM MDT
...
At 329 PM MDT, Doppler radar was tracking a strong thunderstorm near
Mosby, or 25 miles east of Winnett, moving northwest at 15 mph.
HAZARD...Wind gusts of 50 to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Sand Springs, Mosby, Edwards, Steve Fork, and Cat Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4724 10834 4730 10713 4688 10739 4685 10768
4685 10789 4683 10786 4682 10798
TIME...MOT...LOC 2129Z 156DEG 12KT 4693 10781
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH
$$
Zanker
Special Weather Statement
National Weather Service Billings MT
320 PM MDT Wed Apr 22 2026
MTZ029>031-057-173-222200-
Northern Rosebud MT-Northern Big Horn MT-Northeastern Yellowstone
MT-Treasure MT-Musselshell MT-
320 PM MDT Wed Apr 22 2026
...AN AREA OF STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN
MUSSELSHELL...TREASURE...NORTHEASTERN YELLOWSTONE...NORTH CENTRAL BIG
HORN AND NORTHERN ROSEBUD COUNTIES UNTIL 4 PM MDT...
At 320 PM MDT, Doppler radar was tracking an area of strong
thunderstorms extending from 17 miles northwest of Custer to 14 miles
south of Hysham, or extending from 24 miles west of Hysham to 14
miles south of Hysham, moving northeast at 30 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Hysham, Custer, Melstone, Bighorn and Vananda.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 4626 10807 4662 10785 4654 10709 4624 10674
4584 10725 4591 10768 4611 10816
TIME...MOT...LOC 2119Z 214DEG 26KT 4635 10772 4628 10736 4610 10715
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
$$
Matos
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
1143 AM MDT Wed Apr 22 2026
WYZ001>020-022>030-231300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
1143 AM MDT Wed Apr 22 2026
...Red Flag Warning until 8 PM Wednesday for Areas East of the
Continental Divide...
...High Wind Warning until 8 PM Wednesday for Most of Natrona
County...
...Winter Weather Advisory in Effect until 11 PM Thursday for the
Far West Mountains and Yellowstone National Park...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...This Afternoon and Tonight.
Strong 35 to 55 mph wind gusts and low humidity will create
critical fire weather conditions for all areas east of the
Continental Divide until around sunset Wednesday. Natrona County
will see higher speeds around 65 mph with gusts to around 75 mph
on Casper Mountain.
Western mountain snow and wind will lead to winter travel conditions
across the western mountain passes, especially beginning Wednesday
evening and overnight.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Friday...Western mountain snow will lead to winter
travel conditions across the western mountain passes.
Sunday through Monday...Widespread rain and/or snow chances.
However, accumulations look to be minimal at this time.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
