Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
1251 AM MST Mon Dec 8 2025
MTZ067-090800-
/O.UPG.KBYZ.WS.A.0017.251209T0000Z-251211T0000Z/
/O.NEW.KBYZ.WS.W.0018.251209T0000Z-251211T0000Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
1251 AM MST Mon Dec 8 2025
...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST WEDNESDAY...
* WHAT...Periods of heavy snow. Total snow accumulations between 1
and 2 feet, greatest on west aspects. Winds gusting as high as 70
mph.
* WHERE...Absaroka/Beartooth Mountains.
* WHEN...From 5 PM this afternoon to 5 PM MST Wednesday.
* IMPACTS...Recreation in the high country will be impacted by heavy
accumulating snow and significant blowing snow. Whiteout conditions
are possible over the highest elevations.
* ADDITIONAL DETAILS...Additional periods of heavy snow possible
Thursday and Friday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Outdoor activities in the mountains will be impacted by harsh winter
conditions, so be prepared.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Lester
High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
110 AM MST Mon Dec 8 2025
MTZ063-141-172-228-090815-
/O.UPG.KBYZ.HW.A.0011.251209T0600Z-251210T0000Z/
/O.NEW.KBYZ.HW.W.0013.251209T0600Z-251210T0000Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-Southern
Wheatland-
Including the locations of Big Timber, Harlowton, Twodot, Shawmut,
Judith Gap, and Melville
110 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST
TUESDAY...
* WHAT...West winds gusting to 70 mph expected.
* WHERE...Judith Gap, Southern Wheatland, Melville Foothills, and
Northern Sweet Grass.
* WHEN...From 11 PM this evening to 5 PM MST Tuesday.
* IMPACTS...Strong crosswinds will make travel difficult along
Highway 191 from Big Timber through Judith Gap. Secure loose
outdoor objects.
* ADDITIONAL DETAILS...Strongest winds will be Tuesday morning and
early afternoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution and consider postponing travel
until winds subside, or take an alternate route.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
110 AM MST Mon Dec 8 2025
MTZ065-066-090815-
/O.UPG.KBYZ.HW.A.0011.251209T0000Z-251209T1800Z/
/O.NEW.KBYZ.HW.W.0013.251209T0000Z-251209T1800Z/
/O.CON.KBYZ.WI.Y.0022.000000T0000Z-251209T0000Z/
Livingston Area-Beartooth Foothills-
Including the locations of Fishtail, McLeod, Springdale, Nye, and
Livingston
110 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST
TUESDAY...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...
* WHAT...For the Wind Advisory, southwest winds gusts to 60 mph. For
the High Wind Warning, southwest winds gusting 70 to 80 mph
expected.
* WHERE...Beartooth Foothills and Livingston Area.
* WHEN...For the Wind Advisory, until 5 PM MST this afternoon. For
the High Wind Warning, from 5 PM this afternoon to 11 AM MST
Tuesday.
* IMPACTS...Strong crosswinds will make travel difficult along
Interstate 90 from Livingston to Big Timber and roads along the
Beartooth Foothills. Gusty winds will blow around unsecured
objects.
* ADDITIONAL DETAILS...Strongest wind gusts are expected to occur
tonight to early Tuesday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution and consider postponing travel
until winds subside, or take an alternate route.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
110 AM MST Mon Dec 8 2025
MTZ067-068-090815-
/O.UPG.KBYZ.HW.A.0011.251209T0000Z-251209T1800Z/
/O.NEW.KBYZ.HW.W.0013.251209T0000Z-251209T1800Z/
Absaroka/Beartooth Mountains-Crazy Mountains-
Including the locations of Cooke City
110 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST
TUESDAY...
* WHAT...West winds gusting to 80 mph expected.
* WHERE...Absaroka/Beartooth Mountains and Crazy Mountains.
* WHEN...From 5 PM this afternoon to 11 AM MST Tuesday.
* IMPACTS...Outdoor recreation will be impacted by very strong wind
gusts and areas of blowing snow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts and warnings for updates.
&&
$$
Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
110 AM MST Mon Dec 8 2025
MTZ065-066-090815-
/O.UPG.KBYZ.HW.A.0011.251209T0000Z-251209T1800Z/
/O.NEW.KBYZ.HW.W.0013.251209T0000Z-251209T1800Z/
/O.CON.KBYZ.WI.Y.0022.000000T0000Z-251209T0000Z/
Livingston Area-Beartooth Foothills-
Including the locations of Fishtail, McLeod, Springdale, Nye, and
Livingston
110 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST
TUESDAY...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...
* WHAT...For the Wind Advisory, southwest winds gusts to 60 mph. For
the High Wind Warning, southwest winds gusting 70 to 80 mph
expected.
* WHERE...Beartooth Foothills and Livingston Area.
* WHEN...For the Wind Advisory, until 5 PM MST this afternoon. For
the High Wind Warning, from 5 PM this afternoon to 11 AM MST
Tuesday.
* IMPACTS...Strong crosswinds will make travel difficult along
Interstate 90 from Livingston to Big Timber and roads along the
Beartooth Foothills. Gusty winds will blow around unsecured
objects.
* ADDITIONAL DETAILS...Strongest wind gusts are expected to occur
tonight to early Tuesday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution and consider postponing travel
until winds subside, or take an alternate route.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1208 PM PST Sun Dec 7 2025
IDZ001-WAZ037-081415-
/O.NEW.KOTX.WI.Y.0014.251209T0300Z-251209T1500Z/
Northern Panhandle-Northeast Mountains-
Including the cities of Sandpoint, Chewelah, Northport, Eastport,
Athol, Ione, Priest River, Clark Fork, Colville, Schweitzer
Mountain Road, Newport, Metaline, Fruitland, Flowery Trail Road,
Kettle Falls, Deer Park, Orin-Rice Road, Metaline Falls, Tiger,
Springdale-Hunters Road, and Bonners Ferry
1208 PM PST Sun Dec 7 2025
...WIND ADVISORY IN EFFECT FROM 7 PM MONDAY TO 7 AM PST TUESDAY...
* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph
expected.
* WHERE...Sandpoint, Chewelah, Northport, Eastport, Athol, Ione,
Priest River, Clark Fork, Colville, Schweitzer Mountain Road,
Newport, Metaline, Fruitland, Flowery Trail Road, Kettle Falls,
Deer Park, Orin-Rice Road, Metaline Falls, Tiger,
Springdale-Hunters Road, and Bonners Ferry.
* WHEN...From 7 PM Monday to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Saturated, unfrozen soils may increase the
risk of tree damage and power outages.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1208 PM PST Sun Dec 7 2025
IDZ002-003-WAZ032-033-035-036-081415-
/O.NEW.KOTX.WI.Y.0014.251209T0300Z-251209T1500Z/
Coeur d`Alene Area-Idaho Palouse-Lower Garfield and Asotin
Counties-Washington Palouse-Upper Columbia Basin-Spokane Area-
Including the cities of Davenport, Ritzville, Harrington,
Pullman, Wilbur, Odessa, Post Falls, Fairfield, Rockford, Airway
Heights, Plummer, La Crosse, Pomeroy, Downtown Spokane,
Clarkston, Rosalia, Creston, Grand Coulee, Moscow, Genesee,
Tekoa, Cheney, Potlatch, Alpowa Summit, Uniontown, Coeur d`Alene,
Worley, Oakesdale, Colfax, Coulee City, Hayden, and Spokane
Valley
1208 PM PST Sun Dec 7 2025
...WIND ADVISORY IN EFFECT FROM 7 PM MONDAY TO 7 AM PST TUESDAY...
* WHAT...Southwest winds 20 to 35 mph with gusts up to 55 mph
expected.
* WHERE...Davenport, Ritzville, Harrington, Pullman, Wilbur, Odessa,
Post Falls, Fairfield, Rockford, Airway Heights, Plummer, La
Crosse, Pomeroy, Downtown Spokane, Clarkston, Rosalia, Creston,
Grand Coulee, Moscow, Genesee, Tekoa, Cheney, Potlatch, Alpowa
Summit, Uniontown, Coeur d`Alene, Worley, Oakesdale, Colfax,
Coulee City, Hayden, and Spokane Valley.
* WHEN...From 7 PM Monday to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Saturated, unfrozen soils may increase the
risk of tree damage and power outages.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1208 PM PST Sun Dec 7 2025
IDZ004-026-081415-
/O.NEW.KOTX.WI.Y.0014.251209T0300Z-251209T1500Z/
Central Panhandle Mountains-Lewiston Area-
Including the cities of Dobson Pass, Fourth Of July Pass, St.
Maries, Peck, Culdesac, Kellogg, Lapwai, Pinehurst, Lewiston
Grade, Osburn, Wallace, Fernwood, Gifford, Lewiston, Lookout
Pass, and Mullan
1208 PM PST Sun Dec 7 2025
...WIND ADVISORY IN EFFECT FROM 7 PM MONDAY TO 7 AM PST TUESDAY...
* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph
expected.
* WHERE...Dobson Pass, Fourth Of July Pass, St. Maries, Peck,
Culdesac, Kellogg, Lapwai, Pinehurst, Lewiston Grade, Osburn,
Wallace, Fernwood, Gifford, Lewiston, Lookout Pass, and Mullan.
* WHEN...From 7 PM Monday to 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Saturated, unfrozen soils may increase the
risk of tree damage and power outages.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
VMT
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1238 PM MST Sun Dec 7 2025
MTZ001-004-091500-
/O.NEW.KMSO.WI.Y.0010.251209T0300Z-251209T1500Z/
Kootenai/Cabinet Region-Lower Clark Fork Region-
1238 PM MST Sun Dec 7 2025
...WIND ADVISORY IN EFFECT FROM 8 PM MONDAY TO 8 AM MST TUESDAY...
* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph
expected. Gusts over 50 mph on the higher terrain.
* WHERE...Kootenai/Cabinet Region and Lower Clark Fork Region.
* WHEN...From 8 PM Monday to 8 AM MST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Weakened
trees and tree limbs could be blown down impacting road access and
causing localized power outages.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1238 PM MST Sun Dec 7 2025
MTZ002-091800-
/O.NEW.KMSO.WI.Y.0010.251209T0600Z-251209T1800Z/
West Glacier Region-
1238 PM MST Sun Dec 7 2025
...WIND ADVISORY IN EFFECT FROM 11 PM MONDAY TO 11 AM MST TUESDAY...
* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph
expected. Gusts over 50 mph on the higher terrain.
* WHERE...West Glacier Region.
* WHEN...From 11 PM Monday to 11 AM MST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Weakened
trees and tree limbs could be blown down impacting road access and
causing localized power outages.
* ADDITIONAL DETAILS...Snow and poor visibility is a concern at
Marias Pass Monday afternoon through Tuesday morning. Watch for
changeable conditions near the Pass.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1238 PM MST Sun Dec 7 2025
MTZ003-091500-
/O.NEW.KMSO.WI.Y.0010.251209T0600Z-251209T1500Z/
Flathead/Mission Valleys-
1238 PM MST Sun Dec 7 2025
...WIND ADVISORY IN EFFECT FROM 11 PM MONDAY TO 8 AM MST TUESDAY...
* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph
expected.
* WHERE...Flathead/Mission Valleys.
* WHEN...From 11 PM Monday to 8 AM MST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Weakened
trees and tree limbs could be blown down impacting road access and
causing localized power outages.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
Flood Watch
Flood Watch
National Weather Service Missoula MT
1214 PM MST Sun Dec 7 2025
IDC035-049-081915-
/O.NEW.KMSO.FA.A.0009.251209T0000Z-251211T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clearwater-Idaho-
1214 PM MST Sun Dec 7 2025 /1114 AM PST Sun Dec 7 2025/
...FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH THURSDAY
MORNING...
* WHAT...Flooding caused by rain and snowmelt is possible.
* WHERE...Clearwater and Idaho County, Idaho.
* WHEN...From Monday afternoon through Thursday morning.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Storm drains and
ditches may become clogged with debris. People, structures, and
roads located below steep slopes, in canyons, and near the mouths
of canyons may be at risk from landslides.
* ADDITIONAL DETAILS...
- A prolonged atmospheric river is expected to bring periods of
heavy rain to Idaho and Clearwater Counties, Monday night
through Thursday. Rising snow levels will lead to a rain on
snow event for elevations below 7,000 feet Monday night into
Tuesday morning. The precipitation rates will briefly
decrease Tuesday afternoon, before a second surge of moisture
arrives Tuesday night into Thursday morning. By Thursday,
significant precipitation totals are forecast, with 2 to 4
inches in the valleys and 4 to 8 inches in the mountains,
with locally higher totals over mountain crests. Landslides
in areas of steep terrain and minor flooding in urban and
poor drainage areas is possible.
- https://www.weather.gov/mso/hydrology
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
Flood Watch
National Weather Service Missoula MT
1214 PM MST Sun Dec 7 2025
MTC061-081915-
/O.NEW.KMSO.FA.A.0009.251209T0000Z-251211T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mineral-
1214 PM MST Sun Dec 7 2025
...FLOOD WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH THURSDAY
MORNING...
* WHAT...Flooding caused by rain and snowmelt is possible.
* WHERE...Mineral County, Montana.
* WHEN...From Monday afternoon through Thursday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Storm drains
and ditches may become clogged with debris.
* ADDITIONAL DETAILS...
- A prolonged atmospheric river is expected to bring periods of
heavy rain to Mineral County, Monday night through Thursday.
Rising snow levels will lead to a rain on snow event for
elevations below 7,000 feet Monday night into Tuesday
morning. The precipitation rates will briefly decrease
Tuesday afternoon, before a second surge of moisture arrives
Tuesday night into Thursday morning. By Thursday, significant
precipitation totals are forecast, with 1 to 3 inches in the
valleys and 3 to 6 inches in the mountains, with locally
higher totals over mountain crests. Landslides in areas of
steep terrain and minor flooding in urban and poor drainage
areas is possible.
- https://www.weather.gov/mso/hydrology
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
AL
High Wind Watch
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
118 PM MST Sun Dec 7 2025
MTZ301>304-307>309-312-315-316-081130-
/O.CON.KTFX.HW.A.0028.251208T2100Z-251209T1700Z/
East Glacier Park Region-Northern High Plains-Eastern Glacier,
Western Toole, and Central Pondera-Eastern Toole and Liberty-
Southern Rocky Mountain Front-Southern High Plains-Eastern
Pondera and Eastern Teton-Cascade County below 5000ft-Upper
Blackfoot and MacDonald Pass-Gates of the Mountains-
Including the following locations: Joplin, Choteau, Browning,
Babb, Shelby, Pendroy, Santa Rita, Devon, Whitlash, East Glacier
Park, Dupuyer, Ledger, Marysville, Kiowa, Lincoln, Cut Bank,
MacDonald Pass, Galata, Great Falls, Bynum, Heart Butte, Craig,
Brady, Lothair, Conrad, Ethridge, Marias Pass, Chester, Logan
Pass, Wolf Creek, Flesher Pass, Canyon Creek, Saint Mary, and
Rogers Pass
118 PM MST Sun Dec 7 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY MORNING...
* WHAT...Southwest winds 35 to 45 mph, with gusts up to 70 mph over
the plains and near 80 mph possible along the Rocky Mountain Front.
* WHERE...The Rocky Mountain Front and adjacent foothills and
plains, The Interstate 15 Corridor north of Power, Eastern Toole
and Liberty Counties, Cascade County below 5000ft, Upper Blackfoot
and MacDonald Pass, and Gates of the Mountains.
* WHEN...From Monday afternoon through Tuesday morning.
* IMPACTS...Travel could be difficult, especially for high profile
vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remember, a High Wind Watch means that there is at least a 50%
chance of 40 mph sustained winds or 58 mph wind gusts occurring
during the watch period.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
118 PM MST Sun Dec 7 2025
MTZ305-306-310-311-313-314-317-318-320-321-325-081130-
/O.CON.KTFX.HW.A.0028.251209T0100Z-251209T1700Z/
Hill County-Northern Blaine County-Western and Central Chouteau
County-Bears Paw Mountains and Southern Blaine-Judith Basin
County and Judith Gap-Fergus County below 4500ft-Little Belt and
Highwood Mountains-Snowy and Judith Mountains-Big Belt, Bridger
and Castle Mountains-Meagher County Valleys-Madison River Valley-
Including the following locations: Hobson, Zurich, Rocky Boy,
Geyser, Fort Benton, Battle Ridge Pass, White Sulphur Springs,
Windham, Neihart, Monarch, Trident, Benchland, Harlem,
McAllister, Floweree, Chinook, Bozeman Pass, Deep Creek Pass,
Ennis, Moccasin, Hogeland, Havre, Kings Hill Pass, Carter, Fort
Belknap, Cameron, Raynesford, Hilger, Lewistown, Ringling,
Stanford, Martinsdale, Jeffers, Maudlow, Checkerboard, and Norris
118 PM MST Sun Dec 7 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY MORNING...
* WHAT...Southwest winds 35 to 45 mph, with gusts up to 70 mph
possible.
* WHERE...Portions of central, north central, and southwest Montana.
* WHEN...From Monday evening through Tuesday morning.
* IMPACTS...Travel could be difficult, especially for high profile
vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remember, a High Wind Watch means that there is at least a 50%
chance of 40 mph sustained winds or 58 mph wind gusts occurring
during the watch period.
&&
$$
IG
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
348 AM MST Sun Dec 7 2025
WYZ001>020-022>030-081400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
348 AM MST Sun Dec 7 2025
...Winter Weather Advisories for the Tetons from 11 am today
through 5 am Monday morning...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...This Afternoon and Tonight.
Light to moderate snow returning to the western mountains,
steadiest and heaviest after sunset.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday night through Friday...Several periods of snow likely for
the western mountains. Snow possible East of the Divide starting
Wednesday but details on amounts and timing are still highly
uncertain.
Tuesday through Thursday...Strong to high wind likely across
central and southern Wyoming.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
Hydrologic Outlook
Hydrologic Outlook
IDC061-079-090445-
Hydrologic Outlook
National Weather Service Spokane WA
842 PM PST Sun Dec 7 2025
...RIVER RISES AND INCREASED RISK FOR MUD AND ROCK SLIDES THIS
WEEK...
A series of warm, wet, and breezy weather will bring periods of high
mountain snow and heavy rain to low to middle elevation areas of the
central and southern Idaho Panhandle mountains Monday through
Wednesday. Snow levels will fluctuate between 5000 and 7000 feet.
Lower elevation snowmelt in addition to the rain will lead to rises
on
small creeks and streams. This will also bring an increased risk for
mud and rock slides in areas of steep and susceptible terrain.
$$
OTX
Hydrologic Outlook
IDC059-MTC053-063-081-089-081930-
Hydrologic Outlook
National Weather Service Missoula MT
1218 PM MST Sun Dec 7 2025
...HEAVY PRECIPITATION TO BRING SMALL STREAM RISES, RISK FOR ROCK
AND LANDSLIDES, AND MINOR FLOODING THIS WEEK...
A prolonged atmospheric river is expected to bring periods of heavy
rain for western Montana and Lemhi County, Idaho, Monday night
through Thursday. Rising snow levels will lead to a rain on snow
event for elevations below 7,000 feet Monday night into Tuesday
morning. The precipitation rates will briefly decrease Tuesday
afternoon, before second surge of moisture arrives Tuesday night
into Thursday. During the second surge, snow levels will be lower,
ranging from 4,000-5,000 feet north of I-90, to 5,000-7,000 feet
south of I-90, with the highest snow levels across Lemhi County,
Idaho. By Thursday, significant precipitation totals are forecast,
with 1 to 3 inches in the valleys and 4 to 8 inches in the
mountains, with locally higher totals over mountain crests.
Landslides in areas of steep terrain and minor flooding in urban and
poor drainage areas is possible. Storm drains and ditches may
become clogged with debris.
$$
AL
