Avalanche Warning
MTZ001-002-181300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Backcountry Avalanche Warning
Flathead Avalanche Center Hungry Horse MT
Relayed by National Weather Service Missoula MT
624 AM MST Tue Feb 17 2026
The following message is transmitted at the request of Flathead Avalanche
Center Hungry Horse MT.
...AVALANCHE WARNING ISSUED BY THE FLATHEAD AVALANCHE CENTER...
07:00 MST Tue Feb 17 2026
The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY
AVALANCHE WARNING for the following areas:
NWS Missoula MT -
MTZ001 (MTZ001)...MTZ002 (MTZ002)
* WHAT...Heavy snowfall rates and wind-drifted snow will create very
dangerous avalanche conditions.
* WHERE...Slopes above 5000 feet in the Whitefish, Swan, and Flathead
Ranges, and the Lake McDonald and Marias Pass areas of Glacier National
Park
* WHEN...In effect from Tue 07:00 MST to Wed 06:00 MST.
* IMPACTS...Natural large to very large slab avalanches are likely. Human
triggered avalanches are very likely.
* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche
conditions. Travel in avalanche terrain is not recommended. Avalanches may
run long distances and can run into mature forests, valley floors, or flat
terrain.
Consult http://www.flatheadavalanche.org/ or www.avalanche.org for more
detailed information.
Similar avalanche danger may exist at locations outside the coverage area of
this or any avalanche center.
$$
Extreme Cold Warning
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1125 PM MST Tue Feb 17 2026
MTZ301>304-182130-
/O.EXB.KTFX.CW.Y.0003.260218T1900Z-260219T1900Z/
/O.CON.KTFX.EC.W.0001.000000T0000Z-260218T1900Z/
East Glacier Park Region-Northern High Plains-Eastern Glacier,
Western Toole, and Central Pondera-Eastern Toole and Liberty-
Including the following locations: Shelby, Santa Rita, Kiowa, Cut
Bank, Saint Mary, Heart Butte, Galata, Logan Pass, Devon, Babb,
Dupuyer, Browning, Ethridge, Marias Pass, Chester, Lothair,
Joplin, Whitlash, and East Glacier Park
1125 PM MST Tue Feb 17 2026
...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON MST WEDNESDAY...
...COLD WEATHER ADVISORY IN EFFECT FROM NOON WEDNESDAY TO NOON MST
THURSDAY...
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills
as low as 40 below. For the Cold Weather Advisory, very cold wind
chills as low as 30 below expected.
* WHERE...The Montana Hi-Line adjacent to the Rocky Mountain Front,
and Eastern Toole and Liberty Counties.
* WHEN...For the Extreme Cold Warning, until noon MST Wednesday. For
the Cold Weather Advisory, from noon Wednesday to noon MST
Thursday.
* IMPACTS...The dangerously cold wind chills as low as 40 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dress in layers including a hat, face mask, and gloves if you must
go outside.
&&
$$
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
458 AM MST Wed Feb 18 2026
WYZ001-190000-
/O.CON.KRIW.WW.Y.0008.000000T0000Z-260219T0600Z/
Yellowstone National Park-
Including the cities of Old Faithful, Lake, and Mammoth
458 AM MST Wed Feb 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...
* WHAT...Snow. Additional snow accumulations between 3 and 5 inches
with up to 8 additional inches in southwestern Yellowstone.
* WHERE...Yellowstone National Park.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Travel could be difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes.
* ADDITIONAL DETAILS...Total accumulations around 3 inches near
Mammoth.
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 .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
157 AM PST Wed Feb 18 2026
ORZ049-050-503-182300-
/O.CON.KPDT.WW.Y.0003.000000T0000Z-260218T2300Z/
Grande Ronde Valley-Wallowa County-Southern Blue Mountains of
Oregon-
Including the cities of Enterprise, Long Creek, Wallowa, Union,
Joseph, North Powder, Elgin, Ukiah, Cove, and La Grande
157 AM PST Wed Feb 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
* WHAT...Snow showers. Additional snow accumulations of 1 to 3
inches.
* WHERE...Grande Ronde Valley, Southern Blue Mountains of Oregon,
and Wallowa County.
* WHEN...Until 3 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by visiting tripcheck.com online, or by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
141 AM MST Wed Feb 18 2026
MTZ040-063>066-141-172-228-190845-
/O.NEW.KBYZ.WW.Y.0006.260218T1200Z-260219T0900Z/
Northern Park-Judith Gap-Paradise Valley-Livingston Area-
Beartooth Foothills-Northern Sweet Grass-Melville Foothills-
Southern Wheatland-
Including the locations of Fishtail, Big Timber, Shawmut, Twodot,
Livingston, Clyde Park, McLeod, Nye, Harlowton, Emigrant, Melville,
Judith Gap, Wilsall, and Springdale
141 AM MST Wed Feb 18 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING TO
2 AM MST THURSDAY...
* WHAT...Periods of snow expected. Total snow accumulations between 1
and 3 inches. Winds gusting as high as 25 mph.
* WHERE...Portions of central and south central Montana.
* WHEN...From 5 AM early this morning to 2 AM MST Thursday.
* IMPACTS...Snow and blowing snow will impact travel at times. This
includes travel along Interstate 90 and Highway 191. The hazardous
conditions will impact the morning and evening commutes today.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1117 PM PST Tue Feb 17 2026
IDZ002-003-WAZ033-036-181800-
/O.CON.KOTX.WW.Y.0010.000000T0000Z-260218T1800Z/
Coeur d`Alene Area-Idaho Palouse-Washington Palouse-Spokane Area-
Including the cities of Plummer, Rosalia, Potlatch, Oakesdale,
Spokane Valley, Airway Heights, Post Falls, Fairfield, Hayden,
Worley, La Crosse, Uniontown, Rockford, Downtown Spokane, Colfax,
Coeur d`Alene, Moscow, Davenport, Genesee, Cheney, Pullman, and
Tekoa
1117 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations 1 to 3 inches with
locally up to 5 inches.
* WHERE...Plummer, Rosalia, Potlatch, Oakesdale, Spokane Valley,
Airway Heights, Post Falls, Fairfield, Hayden, Worley, La Crosse,
Uniontown, Rockford, Downtown Spokane, Colfax, Coeur d`Alene,
Moscow, Davenport, Genesee, Cheney, Pullman, and Tekoa.
* WHEN...Until 10 AM PST Wednesday.
* IMPACTS...Plan for winter travel conditions during the Wednesday
morning commute.
* ADDITIONAL DETAILS...Small scale bands of moderate to heavy snow
will lead to large variability in snow amounts over short
distances.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. In Idaho, for the latest
road information in Idaho, call 5 1 1. In Washington, for the latest
travel information in Washington, go to https://wsdot.wa.gov/travel
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1117 PM PST Tue Feb 17 2026
IDZ004-181800-
/O.CON.KOTX.WW.Y.0010.260218T0800Z-260219T0600Z/
Central Panhandle Mountains-
Including the cities of St. Maries, Kellogg, Lookout Pass,
Fernwood, Dobson Pass, Osburn, Fourth Of July Pass, Mullan,
Wallace, and Pinehurst
1117 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 5
inches.
* WHERE...St. Maries, Kellogg, Lookout Pass, Fernwood, Dobson Pass,
Osburn, Fourth Of July Pass, Mullan, Wallace, and Pinehurst.
* WHEN...Until 10 PM PST Wednesday.
* IMPACTS...Plan for winter travel conditions during the Wednesday
morning commute.
* ADDITIONAL DETAILS...Small scale bands of moderate to heavy snow
will lead to large variability in snow amounts over short
distances.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
information in Idaho, call 5 1 1.
&&
$$
JCLEV
URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1117 PM PST Tue Feb 17 2026
IDZ026-WAZ032-181800-
/O.CON.KOTX.WW.Y.0010.000000T0000Z-260218T1800Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Including the cities of Lewiston Grade, Culdesac, Peck, Pomeroy,
Clarkston, Lewiston, Alpowa Summit, Gifford, and Lapwai
1117 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
WEDNESDAY...
* WHAT...Snow expected. Snow accumulations between a few tenths of
an inch to 2 inches. Local amounts around 3 inches. Less than an
inch in the lower river valleys and Lewiston-Clarkston.
* WHERE...Lewiston Grade, Culdesac, Peck, Pomeroy, Clarkston,
Lewiston, Alpowa Summit, Gifford, and Lapwai.
* WHEN...Until 10 AM PST Wednesday.
* IMPACTS...Plan for winter travel conditions during the Wednesday
morning commute.
* ADDITIONAL DETAILS...Small scale bands of moderate to heavy snow
will lead to large variability in snow amounts over short
distances.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. In Idaho, for the latest
road information in Idaho, call 5 1 1. In Washington, for the latest
travel information in Washington, go to https://wsdot.wa.gov/travel
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1117 PM PST Tue Feb 17 2026
IDZ027-181800-
/O.CON.KOTX.WW.Y.0010.000000T0000Z-260218T1800Z/
Lewis and Southern Nez Perce Counties-
Including the cities of Nezperce, Soldiers Meadow Road,
Craigmont, Winchester, and Kamiah
1117 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations one to five inches.
* WHERE...Nezperce, Soldiers Meadow Road, Craigmont, Winchester, and
Kamiah.
* WHEN...Until 10 AM PST Wednesday.
* IMPACTS...Plan for winter travel conditions during the Wednesday
morning commute.
* ADDITIONAL DETAILS...Small scale bands of moderate to heavy snow
will lead to large variability in snow amounts over short
distances.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
information in Idaho, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1138 PM MST Tue Feb 17 2026
MTZ320-324>326-328-190000-
/O.NEW.KTFX.WW.Y.0008.260218T0638Z-260219T0600Z/
Big Belt, Bridger and Castle Mountains-Missouri Headwaters-
Madison River Valley-Gallatin Valley-Beaverhead and Western
Madison below 6000ft-
Including the following locations: Gallatin Gateway, Ennis,
Dillon, Waterloo, Willow Creek, Bozeman, Whitehall, Harrison,
Cameron, Pony, McAllister, Battle Ridge Pass, Trident, Jeffers,
Bozeman Pass, Bannack, Maudlow, Three Forks, Norris, Deep Creek
Pass, and Glen
1138 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST WEDNESDAY...
* WHAT...Snow. Total snow accumulations between 1 and 3 inches.
* WHERE...The Interstate 90 Corridor between Bozeman and Whitehall,
The Madison and Beaverhead River Valleys, and Big Belt, Bridger
and Castle Mountains.
* WHEN...Until 11 PM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1138 PM MST Tue Feb 17 2026
MTZ327-329-330-190000-
/O.NEW.KTFX.WW.Y.0008.260218T0638Z-260219T0600Z/
Northwest Beaverhead County-Ruby Mountains and Southern
Beaverhead Mountains-Gallatin and Madison County Mountains and
Centennial Mountains-
Including the following locations: Monida Pass, Raynolds Pass,
Dewey, Big Sky, Chief Joseph Pass, Wise River, Wisdom, West
Yellowstone, Big Hole Pass, and Targhee Pass
1138 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST WEDNESDAY...
* WHAT...Snow. Total snow accumulations between 1 and 3 inches below
7000 feet and up to 6 inches above 7000 feet.
* WHERE...The Mountains of Southwestern Montana south of Interstate
90.
* WHEN...Until 11 PM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. Tire chains may be
required for some vehicles if traveling through mountain passes.
The hazardous conditions could impact the Wednesday morning and
evening commutes.
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.
&&
$$
Glinskas
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
345 PM MST Tue Feb 17 2026
IDZ061>064-066-067-181945-
/O.CON.KPIH.WW.Y.0005.000000T0000Z-260219T1200Z/
Bear Lake Valley-Blackfoot Mountains-Caribou Range-Big Hole
Mountains-Centennial Mountains - Island Park-Beaverhead - Lemhi
Highlands-
Including the cities of Grace, Henry, Spencer, Georgetown,
Kilgore, Edie School, Soda Springs, Montpelier, Victor, Wayan,
Dubois, Swan Valley, St. Charles, Bone, Island Park, and Small
345 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...
* WHAT...Snow. There is a lull in snowfall this afternoon, however
an additional 5 to 12 inches is possible starting tonight and
continuing into early Thursday morning. Locally higher amounts are
possible in the Big Holes and along the Montana border. Winds
gusting as high as 40 mph at times are possible.
* WHERE...Beaverhead - Lemhi Highlands, Big Hole Mountains,
Centennial Mountains - Island Park, Bear Lake Valley, Blackfoot
Mountains, and Caribou Range.
* WHEN...Until 5 AM MST Thursday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Tuesday evening and
Wednesday morning commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.
&&
$$
Visit weather.gov/pocatello for more information.
Wyatt
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
IDZ005-182100-
/O.EXB.KMSO.WW.Y.0008.260218T0800Z-260218T2100Z/
Northern Clearwater Mountains-
1249 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM
PST WEDNESDAY...
* WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations between 1 and 3 inches.
* WHERE...Pierce, Highway 11 Pierce to Headquarters, and Elk River.
* WHEN...From midnight tonight to 1 PM PST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Wednesday morning commute, 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
IDZ006-182100-
/O.EXB.KMSO.WW.Y.0008.260218T0700Z-260218T2100Z/
Southern Clearwater Mountains-
1249 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 1 PM
PST WEDNESDAY...
* WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations between 1 and 3 inches.
* WHERE...Elk City, Highway 12 Lowell to Lolo Pass, and Dixie.
* WHEN...From 11 PM this evening to 1 PM PST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Wednesday morning commute, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
IDZ007-181800-
/O.EXB.KMSO.WW.Y.0008.260218T0600Z-260218T1800Z/
Orofino/Grangeville Region-
1249 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10
AM PST WEDNESDAY...
* WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations between 1 and 3 inches.
* WHERE...Grangeville and vicinity, Camas Prairie, and Greer Grade.
* WHEN...From 10 PM this evening to 10 AM PST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Wednesday morning commute, 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
IDZ008-182100-
/O.EXB.KMSO.WW.Y.0008.260218T0300Z-260219T1600Z/
Lower Hells Canyon/Salmon River Region-
1249 PM PST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 8 AM
PST THURSDAY...
* WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations between 1 and 2 inches.
* WHERE...White Bird Grade and Highway 95 Slate Creek to Riggins.
* WHEN...From 7 PM this evening to 8 AM PST Thursday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Wednesday morning and evening commutes, especially over higher
passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
MTZ001-182100-
/O.EXB.KMSO.WW.Y.0008.260218T1000Z-260219T0000Z/
Kootenai/Cabinet Region-
149 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 5 PM MST
WEDNESDAY...
* WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations of half-inch to 2
inches, except locally higher near Bull Lake.
* WHERE...Highway 56 Bull Lake Road, Highway 93 Eureka to Whitefish,
Highway 2 Kalispell to Libby, and Highway 37 Eureka to Libby.
* WHEN...From 3 AM to 5 PM MST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Wednesday 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
MTZ002-182100-
/O.CON.KMSO.WW.Y.0008.000000T0000Z-260219T1500Z/
West Glacier Region-
149 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST
THURSDAY...
* WHAT...Snow and cold temperatures. There is a likelihood of
ongoing minor winter weather impacts. Additional snow
accumulations between 1 and 3 inches.
* WHERE...Bad Rock Canyon, Glacier National Park, Marias Pass,
Essex, Polebridge, and Highway 83 Bigfork to Swan Lake.
* WHEN...Until 8 AM MST Thursday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities.
MODERATE winter weather impacts, expect disruptions to normal
activities.Use caution while driving. The hazardous conditions
could impact the Tuesday evening and Wednesday morning commutes,
especially over higher passes.
* ADDITIONAL DETAILS...Northeast winds between 15 and 25 mph with
gusts to 35 mph starting Tuesday night will generate bitterly cold
wind chill temperatures as cold as 30 below zero. Any exposed skin
could become frostbitten within 30 minutes in these conditions.
Newborn livestock may be stressed.
While northeast winds will lessen somewhat Wednesday night, wind
chill temperatures near 20 below zero are possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
MTZ003-182100-
/O.EXB.KMSO.WW.Y.0008.260218T0900Z-260219T0000Z/
Flathead/Mission Valleys-
149 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST
WEDNESDAY...
* WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations up to two inches. Winds
gusting as high as 35 mph from Badrock Canyon to Kalispell.
* WHERE...Mission Valley, Flathead Lake, Polson, and Flathead Valley.
* WHEN...From 2 AM to 5 PM MST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Wednesday morning and evening commutes, especially over higher
passes.
* ADDITIONAL DETAILS...Wind chill temperatures will fall into the
single digits by Wednesday morning in the Flathead Valley. If you
have to go outside, wear several layers of light-weight, warm
clothing and mittens.
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
MTZ004-182100-
/O.EXB.KMSO.WW.Y.0008.260218T0800Z-260219T0600Z/
Lower Clark Fork Region-
149 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 11 PM MST
WEDNESDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations between 1 and 4
inches.
* WHERE...Highway 200 Trout Creek to Heron, Evaro Hill, Highway 200
Thompson Falls to Plains, and I-90 Lookout Pass to Haugan.
* WHEN...From 1 AM to 11 PM MST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities.
MODERATE winter weather impacts, expect disruptions to normal
activities. Use caution while driving. The hazardous conditions
could impact the Wednesday morning and evening commutes,
especially over higher passes.
* ADDITIONAL DETAILS...Snow showers on Wednesday could reduce
visibility to less than one-mile at times.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
149 PM MST Tue Feb 17 2026
MTZ006-182100-
/O.EXB.KMSO.WW.Y.0008.260218T0700Z-260219T0300Z/
Bitterroot/Sapphire Mountains-
149 PM MST Tue Feb 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM
MST WEDNESDAY...
* WHAT...Snow expected. There is a likelihood of minor winter
weather impacts. Total snow accumulations between 1 and 3 inches.
* WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass.
* WHEN...From midnight tonight to 8 PM MST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Use
caution while driving. The hazardous conditions could impact the
Wednesday 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.
&&
$$
Cold Weather Advisory
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1125 PM MST Tue Feb 17 2026
MTZ301>304-182130-
/O.EXB.KTFX.CW.Y.0003.260218T1900Z-260219T1900Z/
/O.CON.KTFX.EC.W.0001.000000T0000Z-260218T1900Z/
East Glacier Park Region-Northern High Plains-Eastern Glacier,
Western Toole, and Central Pondera-Eastern Toole and Liberty-
Including the following locations: Shelby, Santa Rita, Kiowa, Cut
Bank, Saint Mary, Heart Butte, Galata, Logan Pass, Devon, Babb,
Dupuyer, Browning, Ethridge, Marias Pass, Chester, Lothair,
Joplin, Whitlash, and East Glacier Park
1125 PM MST Tue Feb 17 2026
...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON MST WEDNESDAY...
...COLD WEATHER ADVISORY IN EFFECT FROM NOON WEDNESDAY TO NOON MST
THURSDAY...
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills
as low as 40 below. For the Cold Weather Advisory, very cold wind
chills as low as 30 below expected.
* WHERE...The Montana Hi-Line adjacent to the Rocky Mountain Front,
and Eastern Toole and Liberty Counties.
* WHEN...For the Extreme Cold Warning, until noon MST Wednesday. For
the Cold Weather Advisory, from noon Wednesday to noon MST
Thursday.
* IMPACTS...The dangerously cold wind chills as low as 40 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dress in layers including a hat, face mask, and gloves if you must
go outside.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1125 PM MST Tue Feb 17 2026
MTZ305>312-315-316-182130-
/O.EXT.KTFX.CW.Y.0003.000000T0000Z-260219T1900Z/
Hill County-Northern Blaine County-Southern Rocky Mountain Front-
Southern High Plains-Eastern Pondera and Eastern Teton-Western
and Central Chouteau County-Bears Paw Mountains and Southern
Blaine-Cascade County below 5000ft-Upper Blackfoot and MacDonald
Pass-Gates of the Mountains-
Including the following locations: Harlem, Hogeland, Wolf Creek,
Flesher Pass, Floweree, Carter, Zurich, Rogers Pass, Craig,
Marysville, Great Falls, Havre, Ledger, Conrad, Lincoln, Bynum,
Canyon Creek, MacDonald Pass, Choteau, Fort Benton, Rocky Boy,
Brady, Chinook, Pendroy, and Fort Belknap
1125 PM MST Tue Feb 17 2026
...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MST THURSDAY...
* WHAT...Very cold wind chills as low as 30 below.
* WHERE...Southern Rocky Mountain Front and adjacent foothills and
plains, Eastern Pondera and Eastern Teton Counties, Hill County,
Northern Blaine County, Western and Central Chouteau County, Bears
Paw Mountains and Southern Blaine, Cascade County below 5000ft,
Upper Blackfoot and MacDonald Pass, and Gates of the Mountains.
* WHEN...Until noon MST Thursday.
* IMPACTS...The dangerously cold wind chills as low as 30 below zero
could cause frostbite on exposed skin in as little as 15 minutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dress in layers including a hat, face mask, and gloves if you must
go outside.
&&
$$
Glinskas
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
104 AM MST Wed Feb 18 2026
WYZ001>020-022>030-191400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
104 AM MST Wed Feb 18 2026
...Winter Weather Advisories in effect for much of Northern and
Central Wyoming through Thursday morning...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Snow continuing in the west, pushing East of the Divide late today
into tonight with light to moderate accumulations. Please see
forecasts and Winter Weather Advisories for details.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...Snow tapering off from southwest to northeast.
Thursday night through Saturday...Below normal temperatures return
to much of the area.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
