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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
109 PM MDT Sun Oct 12 2025

MTZ309-312-313-131015-
/O.CON.KTFX.WW.Y.0043.251013T0000Z-251013T1800Z/
Eastern Pondera and Eastern Teton-Cascade County below 5000ft-
Judith Basin County and Judith Gap-
Including the following locations: Moccasin, Raynesford, Hobson,
Great Falls, Brady, Benchland, Conrad, Windham, Ledger, Geyser,
and Stanford
109 PM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT MONDAY...

* WHAT...Snow expected. Total snow accumulations between 1 and 4
  inches.

* WHERE...Eastern Pondera and Eastern Teton Counties, Cascade County
  below 5000ft, and Judith Basin County and Judith Gap.

* WHEN...From 6 PM this evening to noon MDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Monday morning commute. The wet snow
  may cause isolated 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.

&&

$$

IG

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
109 PM MDT Sun Oct 12 2025

MTZ308-316-131015-
/O.CON.KTFX.WS.W.0016.251013T0000Z-251013T1800Z/
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T0000Z/
Southern High Plains-Gates of the Mountains-
Including the following locations: Choteau, Craig, Pendroy,
Bynum, Wolf Creek, and Canyon Creek
109 PM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM MDT THIS EVENING
TO NOON MDT MONDAY...

* WHAT...For the Winter Weather Advisory, snow. Additional snow
  accumulations up to one inch. For the Winter Storm Warning, heavy,
  wet snow expected. Total snow accumulations between 3 and 8
  inches. Winds gusting as high as 35 mph.

* WHERE...Gates of the Mountains and Southern High Plains.

* WHEN...For the Winter Weather Advisory, until 6 PM MDT this
  evening. For the Winter Storm Warning, from 6 PM MDT this evening
  to noon MDT Monday.

* IMPACTS...Roads will become snow packed and slippery. The heavy,
  wet snow may cause 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.



&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
109 PM MDT Sun Oct 12 2025

MTZ319-131015-
/O.EXA.KTFX.WW.Y.0043.251013T0000Z-251013T1800Z/
Helena Valley-
Including the following locations: Helena
109 PM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
MDT MONDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 4
  inches.

* WHERE...Helena Valley.

* WHEN...From 6 PM this evening to noon MDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Monday morning commute. The wet snow
  may cause isolated 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.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
109 PM MDT Sun Oct 12 2025

MTZ315-322-131015-
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T1800Z/
Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains-
Including the following locations: Lincoln, Montana City, Wickes,
Elk Park Pass, Homestake Pass, Marysville, Clancy, MacDonald
Pass, Flesher Pass, Boulder, and Corbin
109 PM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY...

* WHAT...Snow. Additional snow accumulations between 3 and 5 inches
  at and above pass-level. Winds gusting as high as 35 mph.

* WHERE...Elkhorn and Boulder Mountains and Upper Blackfoot and
  MacDonald Pass.

* WHEN...Until noon MDT Monday.

* IMPACTS...Travel could be very difficult.

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.

Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
109 PM MDT Sun Oct 12 2025

MTZ317-131015-
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T1800Z/
Little Belt and Highwood Mountains-
Including the following locations: Neihart, Kings Hill Pass, and
Monarch
109 PM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY...

* WHAT...Snow. Additional snow accumulations between 3 and 5 inches.

* WHERE...Little Belt and Highwood Mountains.

* WHEN...Until noon MDT Monday.

* IMPACTS...Cold, wet, and snowy outdoor conditions will increase
  the risk for hypothermia to those not properly dressed for the
  weather. Roads may become snowy and slippery at times. Isolated
  power outages possible.

* ADDITIONAL DETAILS...Snowfall will be most widespread tonight into
  Monday morning.

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
109 PM MDT Sun Oct 12 2025

MTZ302-131015-
/O.CON.KTFX.WW.Y.0043.000000T0000Z-251013T1800Z/
Northern High Plains-
Including the following locations: Browning, Dupuyer, and Heart
Butte
109 PM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY...

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
  Winds gusting as high as 35 mph.

* WHERE...Northern High Plains.

* WHEN...Until noon MDT Monday.

* IMPACTS...Plan on slippery road conditions at times, especially
  tonight and Monday morning. The wet snow may cause isolated power
  outages and or tree damage.

* ADDITIONAL DETAILS...Snowfall will be most impactful tonight and
  Monday morning.

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 Spokane WA
939 AM PDT Sun Oct 12 2025

WAZ037-038-130545-
/O.CON.KOTX.WW.Y.0023.251013T0000Z-251013T1200Z/
Northeast Mountains-Okanogan Highlands-
Including the cities of Highway 20 Wauconda Summit, Wauconda,
Springdale-Hunters Road, Flowery Trail Road, Chesaw Road,
Orin-Rice Road, Sherman Pass, and Boulder Creek Road
939 AM PDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM PDT MONDAY FOR ELEVATIONS ABOVE 3000 FEET...

* WHAT...Snow expected for elevations above 3000 feet. Total snow
  accumulations of 2 to 6 inches, except 6 to 8 inches for Sherman
  Pass. Winds gusting as high as 35 mph.

* WHERE...Highway 20 Wauconda Summit, Wauconda, Springdale-Hunters
  Road, Flowery Trail Road, Chesaw Road, Orin-Rice Road, Sherman
  Pass, and Boulder Creek Road.

* WHEN...From 5 PM this afternoon to 5 AM PDT Monday.

* IMPACTS...Travel over mountain passes could be difficult.
  Backcountry recreationalist may experience a rapid degradation in
  weather conditions, and should be prepared for winter conditions
  through the night on Sunday. In addition, breezy winds in the
  mountains will lead to wind chill values in the teens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest travel
information in Washington, go to https://wsdot.wa.gov/travel

&&

$$

SVH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
939 AM PDT Sun Oct 12 2025

IDZ004-130545-
/O.EXB.KOTX.WW.Y.0023.000000T0000Z-251013T1200Z/
Central Panhandle Mountains-
Including the cities of Lookout Pass
939 AM PDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM PDT MONDAY FOR
ELEVATIONS ABOVE 4000 FEET...

* WHAT...Snow for elevations above 4000 feet. Additional snow
  accumulations of 2 to 5 inches.

* WHERE...Lookout Pass.

* WHEN...Until 5 AM PDT Monday.

* IMPACTS...Plan on slippery road conditions over Lookout Pass.
  Backcountry recreationalist may experience a rapid degradation in
  weather conditions, and should be prepared for winter conditions
  through Sunday night.

* ADDITIONAL DETAILS...Snow will have a hard time sticking over
  Lookout Pass through this afternoon, but snow is expected to
  accumulate again this evening as temperatures cool.

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
1002 AM MDT Sun Oct 12 2025

MTZ003-131615-
/O.EXB.KMSO.WW.Y.0037.251013T0000Z-251013T1800Z/
Flathead/Mission Valleys-
1002 AM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
MDT MONDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches.
  While all areas will see a dusting of snow, the most significant
  accumulations of 1 to 3 inches will be on the western side of the
  Flathead and Mission valleys, including west Kalispell, Kila and
  Hot Springs.

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

* WHEN...From 6 PM this evening to noon MDT Monday.

* IMPACTS...The primary threat is the development of ice, especially
  on bridges, overpasses and sidewalks. Initial light rain or
  melting snow will freeze as temperatures drop Sunday evening,
  creating slippery conditions even in areas that see little snow
  accumulation.  Travel could be difficult.

* ADDITIONAL DETAILS...Gusty northeast to east winds gusting 40 to
  50 mph will further exacerbate ice formation and create cold wind
  chills in the teens.

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
1002 AM MDT Sun Oct 12 2025

IDZ005-006-131615-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
Northern Clearwater Mountains-Southern Clearwater Mountains-
902 AM PDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT MONDAY
ABOVE 5500 FEET...

* WHAT...Snow expected above 5500 feet. Total snow accumulations up
  to 4 inches, except 5 to 10 inches in the higher terrain.

* WHERE...Dixie, Lolo Pass.

* WHEN...Until 11 AM PDT Monday.

* 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 Monday
  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
1002 AM MDT Sun Oct 12 2025

MTZ043-131615-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
Potomac/Seeley Lake Region-
1002 AM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
ABOVE 4000 FEET...

* WHAT...Snow expected above 4000 feet. Total snow accumulations up
  to two inches in the valleys with 5 to 12 inches in the higher
  terrain. The highest peaks of the Mission and Swan ranges could
  receive up to 18 inches. Northeast winds 35 to 45 mph develops in
  the mountains tonight.

* WHERE...Highway 83 Seeley Lake to Condon.

* WHEN...Until noon MDT Monday.

* 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 Monday 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
1002 AM MDT Sun Oct 12 2025

IDZ009-010-131200-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1200Z/
Western Lemhi County-Eastern Lemhi County-
1002 AM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
ABOVE 5500 FEET...

* WHAT...Snow expected above 5500 feet. There is a likelihood of
  minor to moderate winter weather impacts. Total snow accumulations
  1 to 5 inches. Winds gusting as high as 35 mph.

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

* WHEN...Until 6 AM MDT Monday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving.

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
1002 AM MDT Sun Oct 12 2025

MTZ004-131615-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
Lower Clark Fork Region-
1002 AM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
ABOVE 4500 FEET...

* WHAT...Snow expected above 4500 feet. There is a likelihood of
  moderate to moderate isolated major winter weather impacts. Total
  snow accumulations of 2 to 4 inches Lookout Pass, 4 to 7 inches
  Thompson Pass, and 7 to 10 inches in the higher elevations.
  Southwest winds 25 to 35 mph, then shifting to the northeast 25 to
  45 mph tonight.

* WHERE...Lower Clark Fork Region.

* WHEN...Until noon MDT Monday.

* IMPACTS...Expect disruptions to normal activities. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur. The hazardous conditions could impact the Monday
  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
1002 AM MDT Sun Oct 12 2025

MTZ006-131615-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
Bitterroot/Sapphire Mountains-
1002 AM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
ABOVE 5500 FEET...

* WHAT...Snow expected above 5500 feet. Total snow accumulations
  between 1 and 6 inches, except 5 to 8 inches in the higher
  elevations of the Bitterroot Mountains.

* WHERE...Highway 93 Sula to Lost Trail Pass, Lolo Pass.

* WHEN...Until noon MDT Monday.

* IMPACTS...Expect disruptions to normal activities. Hazardous
  traveling conditions. Use extra caution while driving. Closures
  and disruptions to infrastructure may occur.

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
1002 AM MDT Sun Oct 12 2025

MTZ007-131615-
/O.CON.KMSO.WW.Y.0037.000000T0000Z-251013T1800Z/
Butte/Blackfoot Region-
1002 AM MDT Sun Oct 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY
ABOVE 5000 FEET...

* WHAT...Snow expected above 5000 feet. Total snow accumulations up
  to 3 inches in the higher valleys with 3 to 8 inches in the
  mountains. Winds gusting up to 35 mph, except up to 45 mph in
  Helmville Sunday night.

* WHERE...Butte, Homestake Pass, MacDonald Pass, and Georgetown Lake.

* WHEN...Until noon MDT Monday.

* IMPACTS...Expect disruptions to normal activities. Hazardous
  traveling conditions. Use extra caution while driving. Closures
  and disruptions to infrastructure may occur. Possible flash freeze
  Sunday night at MacDonald Pass, Homestake Pass, and along I-15.

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.

&&

$$

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