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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
303 AM MST Fri Dec 26 2025

IDZ066-262215-
/O.CON.KPIH.WS.W.0012.000000T0000Z-251227T1200Z/
Centennial Mountains - Island Park-
Including the cities of Kilgore and Island Park
303 AM MST Fri Dec 26 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

* WHAT...Moderate to heavy snow expected. Total snow accumulations 4
  to 10 inches. Winds gusting as high as 35 MPH.

* WHERE...Centennial Mountains - Island Park.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
303 AM MST Fri Dec 26 2025

IDZ072>074-262215-
/O.CON.KPIH.WS.W.0012.000000T0000Z-251227T1200Z/
Sawtooth/Stanley Basin-Sun Valley Region-Big Lost
Highlands/Copper Basin-
Including the cities of Stanley, Ketchum, Copper Basin, Sun
Valley, and Galena
303 AM MST Fri Dec 26 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

* WHAT...Moderate to heavy snow expected. Total snow accumulations 4
  to 8 inches at lower elevations, and 8 to 18 inches above 6500
  feet. Winds gusting as high as 35 MPH.

* WHERE...Big Lost Highlands/Copper Basin, Sawtooth/Stanley Basin,
  and Sun Valley Region.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Travel could be very difficult at times, especially near
  pass level.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.

&&

$$


High Wind Warning


URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1211 AM MST Fri Dec 26 2025

MTZ325-270100-
/O.EXT.KTFX.HW.W.0036.251226T1500Z-251227T0100Z/
Madison River Valley-
Including the following locations: Norris, Jeffers, Cameron,
Ennis, and McAllister
1211 AM MST Fri Dec 26 2025

...HIGH WIND WARNING NOW IN EFFECT FROM 8 AM TO 6 PM MST FRIDAY...

* WHAT...South to southwest winds 30 to 40 mph, with gusts up to 65
  mph expected.

* WHERE...Madison River Valley.

* WHEN...From 8 AM to 6 PM MST Friday.

* 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 most intense period of wind is expected
  to occur from 10 AM to 3 PM MST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates.

&&

$$

Moldan


Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Boise ID
132 PM MST Fri Dec 26 2025

IDZ011-013-271200-
/O.CON.KBOI.WW.Y.0012.000000T0000Z-251227T1200Z/
West Central Mountains-Boise Mountains-
Including the cities of McCall, Ola, Bear, Warm Lake, Cascade,
Big Creek, Prairie, Pine, Anderson Dam, and Cuprum
132 PM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* WHAT...Snow showers, heavy at times. Additional snow accumulations
  of 3 to 7 inches. Winds gusting as high as 40 mph on the mountain
  peaks.

* WHERE...Boise Mountains and West Central Mountains.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. Reduced visibilities. Travel
  could be difficult.

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.

&&

$$

KA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1239 PM MST Fri Dec 26 2025

WYZ001-271200-
/O.EXT.KRIW.WW.Y.0040.000000T0000Z-251228T0000Z/
Yellowstone National Park-
Including the cities of Old Faithful, Mammoth, and Lake
1239 PM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 6
  inches across the lower elevations, and 8 to 14 inches across the
  higher elevations. Portions of southwestern YNP, such as
  Pitchstone Plateau, may see higher amounts nearing 20 inches.
  Winds from the southwest at 10 to 20 mph with periodic gusts up to
  30 mph.

* WHERE...Yellowstone National Park.

* WHEN...Until 5 PM MST Saturday.

* IMPACTS...Travel will be difficult in the backcountry.

* ADDITIONAL DETAILS...Advisories have been extended through
  Saturday evening due to a second push of snow that will arrive
  early Saturday morning and linger into the afternoon.

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 Riverton WY
1239 PM MST Fri Dec 26 2025

WYZ002-012-014-024-271200-
/O.EXT.KRIW.WW.Y.0040.000000T0000Z-251228T0000Z/
Absaroka Mountains-Teton and Gros Ventre Mountains-Wind River
Mountains West-Salt River and Wyoming Ranges-
1239 PM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 8 and 14
  inches, with amounts of 14 to 20 inches at the higher elevations.
  Some of the highest peaks may see isolated amounts nearing 2 feet.
  Winds from the southwest at 15 to 25 mph with periodic gusts of 25
  to 35 mph.

* WHERE...Wind River Mountains West, Absaroka Mountains, Teton and
  Gros Ventre Mountains, and Salt River and Wyoming Ranges.

* WHEN...Until 5 PM MST Saturday.

* IMPACTS...Travel could be very difficult, especially across
  mountain passes.

* ADDITIONAL DETAILS...Snow totals of 3 to 6 inches on South Pass
  and 6 to 12 inches on Togwotee Pass and Teton Passes. Advisories
  have been extended through Saturday evening due to a second push
  of snow that will arrive early Saturday morning and linger into
  the afternoon.

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 .

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

Dziewaltowski

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1055 AM PST Fri Dec 26 2025

IDZ002-WAZ036-270800-
/O.EXA.KOTX.WW.Y.0037.000000T0000Z-251227T1800Z/
Coeur d`Alene Area-Spokane Area-
Including the cities of Davenport, Coeur d`Alene, Downtown
Spokane, Worley, Cheney, Fairfield, Spokane Valley, Hayden,
Airway Heights, Post Falls, and Rockford
1055 AM PST Fri Dec 26 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY...

* WHAT...Snow. Additional snow accumulations up to 3 inches.

* WHERE...Coeur d`Alene, Worley, Cheney, Fairfield, Spokane Valley,
  Hayden, Post Falls, and Rockford.

* WHEN...Until 10 AM PST Saturday.

* IMPACTS...Plan on slippery road conditions. The winter driving
  conditions could impact the Friday evening commute.

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
1055 AM PST Fri Dec 26 2025

IDZ003-027-WAZ033-270800-
/O.CON.KOTX.WW.Y.0037.000000T0000Z-251227T1800Z/
Idaho Palouse-Lewis and Southern Nez Perce Counties-Washington
Palouse-
Including the cities of Soldiers Meadow Road, Tekoa, Oakesdale,
Rosalia, Uniontown, Potlatch, Plummer, Genesee, Kamiah, La
Crosse, Winchester, Craigmont, Moscow, Nezperce, Pullman, and
Colfax
1055 AM PST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations up to 3 inches.
  Winds gusting as high as 35 mph.

* WHERE...Soldiers Meadow Road, Tekoa, Oakesdale, Rosalia,
  Uniontown, Potlatch, Plummer, Genesee, Kamiah, La Crosse,
  Winchester, Craigmont, Moscow, Nezperce, Pullman, and Colfax.

* WHEN...Until 10 AM PST Saturday.

* IMPACTS...Plan on slippery road conditions. The winter driving
  conditions could impact the Friday evening commute.

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
1055 AM PST Fri Dec 26 2025

IDZ004-270800-
/O.CON.KOTX.WW.Y.0037.000000T0000Z-251227T1800Z/
Central Panhandle Mountains-
Including the cities of Dobson Pass, Fernwood, Osburn, Mullan,
Kellogg, St. Maries, Wallace, Pinehurst, Lookout Pass, and Fourth
Of July Pass
1055 AM PST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations 7 to 12 inches
  above 3000 feet and 1 to 4 inches below 3000 feet. Up to 15 inches
  at Lookout Pass. Winds gusting as high as 35 mph.

* WHERE...Dobson Pass, Fernwood, Osburn, Mullan, Kellogg, St.
  Maries, Wallace, Pinehurst, Lookout Pass, and Fourth Of July Pass.

* WHEN...Until 10 AM PST Saturday.

* IMPACTS...Travel could be very difficult. The winter driving
  conditions could impact the Friday morning and evening commutes.

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 Missoula MT
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

IDZ005-271845-
/O.CON.KMSO.WW.Y.0053.000000T0000Z-251227T2100Z/
Northern Clearwater Mountains-
1040 AM PST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST
SATURDAY...

* WHAT...Snow expected. There is a likelihood of moderate winter
  weather impacts. Total snow accumulations between 2 and 7 inches.
  Winds gusting as high as 45 mph.

* WHERE...Highway 11 Pierce to Headquarters, Elk River, and Pierce.

* WHEN...Until 1 PM PST Saturday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. The hazardous conditions could impact the
  Friday morning and evening commutes, especially over higher passes.

* ADDITIONAL DETAILS...There is the potential for a rapid freeze up
  of wet or slushy surfaces with much colder air moving into the
  area on Saturday.

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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

IDZ006-MTZ006-271845-
/O.CON.KMSO.WW.Y.0053.000000T0000Z-251228T0300Z/
Southern Clearwater Mountains-Bitterroot/Sapphire Mountains-
1140 AM MST Fri Dec 26 2025 /1040 AM PST Fri Dec 26 2025/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST /7 PM
PST/ SATURDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations between 2 and 12
  inches. Winds gusting as high as 50 mph.

* WHERE...Elk City, Lolo Pass, Highway 93 Sula to Lost Trail Pass,
  Highway 12 Lowell to Lolo Pass, and Dixie.

* WHEN...Until 8 PM MST /7 PM PST/ Saturday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. The hazardous conditions could impact the
  Friday morning and evening commutes, especially over higher
  passes. Gusty winds could bring down tree branches.

* ADDITIONAL DETAILS...Heavy snow bands and or snow squalls are
  possible late Friday night into Saturday morning with the arrival
  of a strong cold front.

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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

IDZ007-271800-
/O.CON.KMSO.WW.Y.0053.251227T0000Z-251227T1800Z/
Orofino/Grangeville Region-
1040 AM PST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST SATURDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations between 1 and 3
  inches. Winds gusting as high as 55 mph.

* WHERE...Greer Grade, Grangeville and vicinity, and Camas Prairie.

* WHEN...From 4 PM this afternoon to 10 AM PST Saturday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. The hazardous conditions could impact the
  Friday evening commute, especially over higher passes. Gusty winds
  could bring down tree branches.

* ADDITIONAL DETAILS...Temperatures will drop through the 20s on
  Saturday. Blowing and drifting of any accumulated snow, or active
  snowfall, will be possible. Rapid freeze up of any wet or slushy
  surfaces is 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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

IDZ009-010-271845-
/O.CON.KMSO.WW.Y.0053.000000T0000Z-251228T0300Z/
Western Lemhi County-Eastern Lemhi County-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST
SATURDAY...

* WHAT...Snow expected. There is a chance of minor to moderate
  winter weather impacts. Total snow accumulations up to 6 inches.
  Winds gusting as high as 45 mph.

* WHERE...Bannock Pass, Lemhi Pass, Highway 28 Tendoy to Lone Pine,
  Highway 93 Lost Trail Pass to Gibbonsville, Salmon, Shoup, and
  Williams Creek Summit.

* WHEN...Until 8 PM MST Saturday.

* IMPACTS...For MINOR winter weather impacts, expect a few
  inconveniences to normal activities. Use caution while driving.
  Winter traveling conditions. The hazardous conditions could impact
  the Friday evening commute, especially over higher passes. Gusty
  winds could bring down tree branches.

* ADDITIONAL DETAILS...There is the potential for freezing rain in
  lower elevations with the onset of precipitation Thursday night
  into 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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

MTZ001-271845-
/O.CON.KMSO.WW.Y.0053.251226T1900Z-251228T0000Z/
Kootenai/Cabinet Region-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY...

* WHAT...Snow expected. There is a likelihood of moderate to
  isolated major winter weather impacts. Total snow accumulations
  between 1 and 7 inches. Winds gusting as high as 45 mph.

* WHERE...Highway 37 Eureka to Libby, Highway 2 Kalispell to Libby,
  Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish.

* WHEN...Until 5 PM MST Saturday.

* 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 Friday
  evening commute, especially over higher passes. Gusty winds could
  bring down tree branches.

* ADDITIONAL DETAILS...Heavy snow bands and or snow squalls are
  possible late Friday night into Saturday morning with the arrival
  of a strong cold front. An Arctic front will move westward across
  the Continental Divide and into the region on Saturday bringing an
  uptick in northeast winds. Much colder temperatures with, and
  behind, this Arctic front. Rapid freeze up of any wet or slushy
  surfaces is 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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

MTZ002-271845-
/O.CON.KMSO.WW.Y.0053.000000T0000Z-251228T0000Z/
West Glacier Region-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY...

* WHAT...Snow expected. There is a likelihood of moderate to
  isolated major winter weather impacts. Total snow accumulations
  between 3 and 12 inches. Winds gusting as high as 50 mph.

* WHERE...Glacier National Park, Marias Pass, Bad Rock Canyon,
  Essex, Highway 83 Bigfork to Swan Lake, and Polebridge.

* WHEN...Until 5 PM MST Saturday.

* 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 Friday
  evening commute, especially over higher passes. Gusty winds could
  bring down tree branches.

* ADDITIONAL DETAILS...Heavy snow bands and or snow squalls are
  possible late Friday night into Saturday morning with the arrival
  of a strong cold front. An Arctic front will move westward across
  the Continental Divide on Saturday bringing an uptick in northeast
  winds in, and near, canyon gaps and downslope foothills. Much
  colder temperatures with, and behind, this Arctic front. Rapid
  freeze up of any wet or slushy roads is likely.

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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

MTZ003-271845-
/O.EXT.KMSO.WW.Y.0053.251226T1840Z-251228T0300Z/
Flathead/Mission Valleys-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM MST SATURDAY...

* WHAT...Snow expected. There is a likelihood of moderate to
  isolated major winter weather impacts. Total snow accumulations up
  to 4 inches. Winds gusting as high as 45 mph.

* WHERE...Flathead Lake, Polson, Mission Valley, and Flathead Valley.

* WHEN...Until 8 PM MST Saturday.

* IMPACTS...For MINOR winter weather impacts, expect a few
  inconveniences to normal activities. Use caution while driving.
  Winter traveling conditions. The hazardous conditions could impact
  the Friday evening commute, especially over higher passes.

* ADDITIONAL DETAILS...Rain has changed over to snow earlier than
  expected in the Flathead Valley beginning winter weather impacts.
  Heavy snow bands and or snow squalls are possible late Friday
  night into Saturday morning with the arrival of a strong cold
  front. An Arctic front will move westward across the Continental
  Divide and into the region on Saturday bringing an uptick in
  northeast winds toward 50 mph possible in and near canyon gaps and
  downsloping foothills. Much colder temperatures with, and behind,
  this Arctic front on Saturday. Rapid freeze up of any wet or
  slushy surfaces is 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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

MTZ004-271845-
/O.CON.KMSO.WW.Y.0053.000000T0000Z-251227T2100Z/
Lower Clark Fork Region-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST
SATURDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations between 1 and 6
  inches with up to 12-16 inches possible at Lookout Pass. Winds
  gusting as high as 45 mph.

* WHERE...Highway 200 Trout Creek to Heron, Evaro Hill, I-90 Lookout
  Pass to Haugan, and Highway 200 Thompson Falls to Plains.

* WHEN...Until 2 PM MST Saturday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. The hazardous conditions could impact the
  Friday evening commute, especially over higher passes. Gusty winds
  could bring down tree branches.

* ADDITIONAL DETAILS...It is possible for much colder air to move
  into the lower valleys on Saturday bringing the potential for
  rapid freeze up of any wet or slushy surfaces. Heavy snow bands
  and or snow squalls are possible late Friday night into Saturday
  morning with the arrival of a strong cold front.

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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

MTZ005-271845-
/O.CON.KMSO.WW.Y.0053.251227T0900Z-251228T0000Z/
Missoula/Bitterroot Valleys-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
SATURDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations up to 3 inches.
  Winds gusting as high as 45 mph.

* WHERE...Missoula and Bitterroot Valley.

* WHEN...From 2 AM to 5 PM MST Saturday.

* IMPACTS...For MINOR winter weather impacts, expect a few
  inconveniences to normal activities. Use caution while driving.
  Winter traveling conditions.

* ADDITIONAL DETAILS...There is the potential for snow bands and or
  snow squalls to impact the area late Friday night into Saturday
  morning. Anticipate brief but rapid deterioration in visibility,
  moderate to heavy snowfall intensity, and strong winds with any
  banding or squalls. There is the potential for much colder air
  from the northeast, through the day on Saturday, increasing the
  risk for rapid freeze up of any wet or slushy surfaces.

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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

MTZ007-271845-
/O.CON.KMSO.WW.Y.0053.251227T1200Z-251228T0300Z/
Butte/Blackfoot Region-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM MST
SATURDAY...

* WHAT...Snow expected. There is a chance of minor winter weather
  impacts. Total snow accumulations up to 3 inches. Winds gusting as
  high as 45 mph.

* WHERE...MacDonald Pass, Georgetown Lake, Highway 12 Garrison to
  Elliston, Homestake Pass, and Butte.

* WHEN...From 5 AM to 8 PM MST Saturday.

* IMPACTS...For MINOR winter weather impacts, expect a few
  inconveniences to normal activities. Use caution while driving.
  Winter traveling conditions.

* ADDITIONAL DETAILS...There is the potential for snow bands and or
  snow squalls to impact the area late Friday night into Saturday
  morning. Anticipate brief but rapid deterioration in visibility,
  moderate to heavy snowfall intensity, and strong winds with any
  banding or squalls. Much colder air from the northeast, through
  the day on Saturday, increasing the risk for rapid freeze up of
  any wet or slushy surfaces.

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
1140 AM MST Fri Dec 26 2025

...WIDESPREAD WINTER WEATHER AND WIND IMPACTS [UPDATE]...

.A series of cold fronts will move through the Northern Rockies
bringing wind and snow impacts beginning as early as late tonight
into Friday morning. Snow squalls are possible in western Montana
late Friday night into early Saturday morning with the arrival of a
strong cold front. A push of Arctic air will move westward across
the Continental Divide on Saturday bringing another uptick and
change in direction of winds with much colder temperatures to follow.

MTZ043-271845-
/O.CON.KMSO.WW.Y.0053.000000T0000Z-251228T0300Z/
Potomac/Seeley Lake Region-
1140 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST
SATURDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations between 2 and 4
  inches. Winds gusting as high as 45 mph.

* WHERE...Highway 83 Seeley Lake to Condon, I-90 East Missoula to
  Bearmouth, and Highway 200 Bonner to Greenough.

* WHEN...Until 8 PM MST Saturday.

* IMPACTS...For MINOR winter weather impacts, expect a few
  inconveniences to normal activities. Use caution while driving.
  For MODERATE winter weather impacts, expect disruptions to normal
  activities. Hazardous traveling conditions. Use extra caution
  while driving. The hazardous conditions could impact the Friday
  evening commute, especially over higher passes.

* ADDITIONAL DETAILS...There is the potential for snow bands and or
  snow squalls to impact the area late Friday night into Saturday
  morning. Anticipate brief but rapid deterioration in visibility,
  moderate to heavy snowfall intensity, and strong winds with any
  banding or squalls. Much colder air moves into the region for
  Saturday.

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 Pocatello ID
303 AM MST Fri Dec 26 2025

IDZ071-262215-
/O.CON.KPIH.WW.Y.0023.000000T0000Z-251227T1200Z/
Frank Church Wilderness-
Including the cities of Clayton
303 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 4 and 8
  inches above 6500 feet. Winds gusting as high as 40 MPH.

* WHERE...Frank Church Wilderness.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Plan on slippery road conditions.

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.

KSmith

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
115 AM MST Fri Dec 26 2025

MTZ301-307-270000-
/O.CON.KTFX.WW.Y.0063.251226T1500Z-251227T2100Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Marias Pass, Kiowa, Babb,
Logan Pass, Rogers Pass, East Glacier Park, and Saint Mary
115 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 2 PM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 10
  inches at and below pass level, with higher amounts in the
  mountains of Glacier National Park. Winds gusting as high as 60
  mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From 8 AM this morning to 2 PM MST Saturday.

* IMPACTS...Travel could be difficult and tire chains may be
  required for some vehicles. Those in the backcountry should ensure
  they are prepared for dangerous conditions.

* ADDITIONAL DETAILS...Marias Pass is most favored for amounts
  closer to 10 inches, while Rogers Pass is favored to be closer to
  5 inches over this timeframe.

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.

&&

$$

Moldan

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
115 AM MST Fri Dec 26 2025

MTZ327-270000-
/O.EXA.KTFX.WW.Y.0064.251227T0700Z-251227T2100Z/
Northwest Beaverhead County-
Including the following locations: Wise River, Big Hole Pass,
Dewey, Wisdom, and Chief Joseph Pass
115 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM
MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 5
  inches. Winds gusting as high as 45 mph.

* WHERE...Northwest Beaverhead County.

* WHEN...From midnight tonight to 2 PM MST Saturday.

* IMPACTS...Plan on slippery road conditions. Gusty winds could
  bring down tree branches.

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
115 AM MST Fri Dec 26 2025

MTZ330-270000-
/O.CON.KTFX.WW.Y.0063.251226T0900Z-251227T0100Z/
/O.CON.KTFX.WW.Y.0064.251227T0700Z-251227T2100Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Raynolds Pass, Big Sky,
Targhee Pass, and West Yellowstone
115 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 2 PM MST SATURDAY...

* WHAT...For the first Winter Weather Advisory, snow expected. Total
  snow accumulations up to 6 inches. Winds gusting as high as 55
  mph. For the second Winter Weather Advisory, snow expected. Total
  snow accumulations between 1 and 3 inches. Winds gusting as high
  as 45 mph.

* WHERE...Gallatin and Madison County Mountains and Centennial
  Mountains.

* WHEN...For the first Winter Weather Advisory, until 6 PM MST this
  evening. For the second Winter Weather Advisory, from midnight
  tonight to 2 PM MST Saturday.

* IMPACTS...Plan on slippery road conditions. Strong winds could
  cause tree damage.

* ADDITIONAL DETAILS...Little to no snow is forecast around Big Sky
  and points northward prior to the early morning hours on Saturday.

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.

&&

$$


Wind Advisory


URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
152 PM MST Thu Dec 25 2025

MTZ005-262100-
/O.NEW.KMSO.WI.Y.0014.251226T1200Z-251227T0000Z/
Missoula/Bitterroot Valleys-
152 PM MST Thu Dec 25 2025

...WIND ADVISORY IN EFFECT FROM 5 AM TO 5 PM MST FRIDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph, up to 50
  mph in the Bitterroot Valley, expected.

* WHERE...Missoula/Bitterroot Valleys.

* WHEN...From 5 AM to 5 PM MST Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
152 PM MST Thu Dec 25 2025

MTZ007-262100-
/O.NEW.KMSO.WI.Y.0014.251226T1300Z-251227T1200Z/
Butte/Blackfoot Region-
152 PM MST Thu Dec 25 2025

...WIND ADVISORY IN EFFECT FROM 6 AM FRIDAY TO 5 AM MST SATURDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 55 mph
  expected.

* WHERE...Butte/Blackfoot Region.

* WHEN...From 6 AM Friday to 5 AM MST Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
152 PM MST Thu Dec 25 2025

MTZ043-262100-
/O.NEW.KMSO.WI.Y.0014.251226T1500Z-251227T0700Z/
Potomac/Seeley Lake Region-
152 PM MST Thu Dec 25 2025

...WIND ADVISORY IN EFFECT FROM 8 AM FRIDAY TO MIDNIGHT MST FRIDAY
NIGHT...

* WHAT...South winds 15 to 25 mph with gusts up to 55 mph expected.

* WHERE...Potomac/Seeley Lake Region.

* WHEN...From 8 AM Friday to midnight MST Friday Night.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Great Falls MT
143 PM MST Fri Dec 26 2025

MTZ303-304-309-262130-
Eastern Pondera and Eastern Teton MT-Eastern Toole and Liberty MT-
Eastern Glacier, Western Toole, and Central Pondera MT-
143 PM MST Fri Dec 26 2025

...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN PONDERA...EASTERN
GLACIER AND CENTRAL TOOLE COUNTIES THROUGH 230 PM MST...

At 143 PM MST, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles east of Cut Bank to 10 miles west of
Shelby to 7 miles northeast of Valier. Movement was east at 45 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Shelby, Kevin, Ethridge, Oilmont, Ferdig, Devon, Dunkirk, and Galata.

This includes the following highways...
Portions of Interstate 15 and Highway 2

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4894 11143 4864 11131 4832 11139 4825 11214
      4847 11216 4866 11219
TIME...MOT...LOC 2043Z 251DEG 37KT 4863 11211 4850 11208 4835 11210

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

AM


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
128 PM MST Fri Dec 26 2025

WYZ001>020-022>030-271400-
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-
128 PM MST Fri Dec 26 2025

...Winter Weather Advisory Now in Effect Until 5 PM MST Saturday for
the Western Wyoming Mountains...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...This Afternoon and Tonight.

Snow intensity increases by mid-afternoon Friday across western
Wyoming, with occasional snowfall rates of 1 to 2 inches per hour in
the mountains through early Friday evening. Light snow then spreads
to Sweetwater County and I-80 overnight. Please see Winter Weather
Advisory and forecasts for details.

Gusty to occasional strong southwest wind likely across many
locations east of the Continental Divide. Isolated gusts around 60
mph possible along the east slopes of the Bighorn Mountains Friday
afternoon.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday and Saturday night...Snow continues across the western
Wyoming mountains. A cold front pushes south across the state and
temporarily brings an end to the unseasonably warm weather. Light
snow occurs over the lower elevations east of the Continental Divide
overnight into Sunday morning. Strong northwest wind likely in
northern portions of the Big Horn Basin and Johnson County behind the
cold front.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE