660
WWUS45 KMSO 271845
WSWMSO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1145 AM MST Thu Nov 27 2025

MTZ002-281845-
/O.UPG.KMSO.WS.A.0009.251128T0000Z-251128T2100Z/
/O.NEW.KMSO.WS.W.0011.251128T0000Z-251128T2100Z/
West Glacier Region-
1145 AM MST Thu Nov 27 2025

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM
MST FRIDAY...

* WHAT...Strong winds and heavy snow expected. There is a likelihood
  of major winter weather impacts. Total snow accumulations between
  1 to 4 inches in the valleys and 4 and 11 inches in the higher
  terrain including Highway 2 from Essex to Marias Pass. Wind gusts
  as high as 40 mph. Rapid drop in temperatures creating freeze-up
  on road surfaces.

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

* WHEN...From 5 PM this afternoon to 2 PM MST Friday.

* IMPACTS...For MAJOR winter weather impacts, expect considerable
  disruptions to normal activities. Dangerous or impossible
  traveling conditions. Avoid travel in the impacted areas if
  possible. The hazardous conditions could impact the Thursday
  evening and Friday morning commutes, especially over higher passes.

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 for
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

MTZ007-043-281845-
/O.UPG.KMSO.WS.A.0009.251128T0600Z-251128T2100Z/
/O.NEW.KMSO.WS.W.0011.251128T0900Z-251129T0100Z/
Butte/Blackfoot Region-Potomac/Seeley Lake Region-
1145 AM MST Thu Nov 27 2025

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 6 PM MST FRIDAY...

* WHAT...Moderate to heavy snow expected. There is a likelihood of
  major winter weather impacts. Total snow accumulations between 1
  and 6 inches. Wind gusts as high as 40 mph. Rapid drop in
  temperatures creating freeze-up on road surfaces.

* WHERE...Georgetown Lake, Highway 200 Bonner to Greenough, Highway
  83 Seeley Lake to Condon, MacDonald Pass, Homestake Pass, Butte,
  I-90 East Missoula to Bearmouth, and Highway 12 Garrison to
  Elliston.

* WHEN...From 2 AM to 6 PM MST Friday.

* IMPACTS...For MAJOR winter weather impacts, expect considerable
  disruptions to normal activities. Dangerous or impossible
  traveling conditions. Avoid travel in the impacted areas if
  possible. The hazardous conditions could impact the Thursday
  evening and Friday morning commutes, especially over higher passes.

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 for
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

MTZ003-281845-
/O.UPG.KMSO.WS.A.0009.251128T0600Z-251128T2100Z/
/O.EXB.KMSO.WW.Y.0044.251128T0100Z-251129T0000Z/
Flathead/Mission Valleys-
1145 AM MST Thu Nov 27 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 5 PM
MST FRIDAY...

* WHAT...Snow expected. There is a likelihood of moderate winter
  weather impacts. Total snow accumulations between 1 and 4 inches.
  Wind gusts as high as 35 mph. Rapid drop in temperatures creating
  freeze-up on road surfaces.

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

* WHEN...From 6 PM this evening to 5 PM MST 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 Friday
  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.

&&

$$

IDZ006-MTZ001-004>006-281845-
/O.CON.KMSO.WW.Y.0044.251128T0600Z-251129T0000Z/
Southern Clearwater Mountains-Kootenai/Cabinet Region-Lower Clark
Fork Region-Missoula/Bitterroot Valleys-Bitterroot/Sapphire
Mountains-
1145 AM MST Thu Nov 27 2025 /1045 AM PST Thu Nov 27 2025/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM MST /10 PM
PST/ THIS EVENING TO 5 PM MST /4 PM PST/ FRIDAY...

* WHAT...Snow expected. There is a likelihood of minor to moderate
  winter weather impacts. Total snow accumulations of 1 to 3 inches
  in the valleys and 4 to 10 inches in the higher terrain including
  mountain passes.

* WHERE...In IDAHO, Southern Clearwater Mountains. In MONTANA,
  Kootenai/Cabinet Region, Bitterroot/Sapphire Mountains, Lower
  Clark Fork Region, and Missoula/Bitterroot Valleys.

* WHEN...From 11 PM MST /10 PM PST/ this evening to 5 PM MST /4 PM
  PST/ Friday.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. 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 Friday 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.

&&

$$