Thanatos Weather
Thursday, Dec 25, 2025 22:19:22

Products in the Last Seven Days
Type Phenomena Count
AdvisorySmall Craft259
AdvisoryWinter Weather174
AdvisoryDense Fog148
WarningGale134
AdvisoryWind124
AdvisoryAreal Flood94
WatchGale87
WarningHigh Wind79
WarningFlash Flood50
WarningWinter Storm43
WarningSevere Thunderstorm40
WatchHigh Wind39
WatchWinter Storm34
WarningFire Weather21
WatchAreal Flood16
WarningStorm14
WarningHazardous Seas11
WatchStorm8
WatchFlood7
AdvisoryLake Wind7
WatchFire Weather6
WarningIce Accretion5
WarningIce Storm4
WarningTornado3
AdvisoryIce Accretion3
WatchIce Accretion2
WarningBlizzard2
AdvisoryLow Water1
AdvisoryBlowing Dust1
AdvisoryFlood1
AdvisoryFrost1
AdvisoryFreezing Fog1
Most Active Forecast Offices
Forecast Office Products
Eureka, CA70
Los Angeles / Oxnard, CA61
San Francisco Bay Area / Monterey, CA59
Duluth, MN58
Medford, OR57
Boston, MA48
Portland, OR41
Buffalo, NY41
Seattle, WA40
Mount Holly / Philadelphia, NJ38
Baltimore / Washington, VA37
San Joaquin Valley / Hanford, CA36
Riverton, WY29
Gray / Portland, ME28
New York / Upton, NY28
Gaylord, MI25
Reno, NV24
Wakefield, VA24
Caribou, ME22
San Diego, CA22
Product Count by Day
Date Warn Watch Advis.
2025-12-2550 4151
2025-12-2475 19171
2025-12-2335 2189
2025-12-2231 2281
2025-12-219 1963
2025-12-2024 899
2025-12-1969 2165
2025-12-1870 1978
2025-12-1757 4757
Particularly Dangerous Situations
Product Forecast Office
No PDS products in the last 7 days.
Home
Return to list
Winter Storm Warning 0020
Issued by the Billings Forecast Office

Action Issued Starts Expiration
New 2025-12-17 14:46:22 2025-12-17 18:00:00 2025-12-20 06:00:00
Time Extended 2025-12-17 16:17:23 2025-12-18 12:00:00 2025-12-20 06:00:00
Continued 2025-12-18 03:00:08 2025-12-18 12:00:00 2025-12-20 06:00:00
Continued 2025-12-18 09:00:43 2025-12-18 12:00:00 2025-12-20 06:00:00
Continued 2025-12-18 17:07:55 2025-12-20 06:00:00
Continued 2025-12-19 04:17:34 2025-12-20 06:00:00
Continued 2025-12-19 10:27:47 2025-12-20 06:00:00
Continued 2025-12-19 16:37:27 2025-12-20 06:00:00
Continued 2025-12-20 00:40:39 2025-12-20 06:00:00
Cancelled 2025-12-20 03:03:42 2025-12-20 06:00:00


Action: New
Issued At: 2025-12-17 14:46:22

637 
WWUS45 KBYZ 172045
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
145 PM MST Wed Dec 17 2025

MTZ067-182045-
/O.UPG.KBYZ.WS.A.0019.251218T1800Z-251220T1200Z/
/O.NEW.KBYZ.WS.W.0020.251218T0000Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
145 PM MST Wed Dec 17 2025

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM
MST SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 1 and
  2 feet, greatest on west facing aspects. Winds gusting as high as
  75 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...From 5 PM this afternoon to 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The strongest winds will continue through
  Friday morning, before decreasing to 50 mph into Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

MTZ033-181500-
/O.NEW.KBYZ.WW.Y.0042.251218T0000Z-251218T1500Z/
Fallon-
Including the locations of Plevna, Webster, and Baker
145 PM MST Wed Dec 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM
MST THURSDAY...

* WHAT...Snow and blowing snow expected. Total snow accumulations up
  to one inch. Winds gusting as high as 75 mph.

* WHERE...Fallon.

* WHEN...From 5 PM this afternoon to 8 AM MST Thursday.

* IMPACTS...Plan on slippery road conditions. Widespread blowing snow
  could significantly reduce visibility to 1 mile. The hazardous
  conditions will impact the Thursday morning commute.

* ADDITIONAL DETAILS...The majority of accumulating snowfall is
  forecast to begin late this evening and into early Thursday
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Matos


Action: Time Extended
Issued At: 2025-12-17 16:17:23

433 
WWUS45 KBYZ 172217
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
317 PM MST Wed Dec 17 2025

MTZ067-182230-
/O.EXT.KBYZ.WS.W.0020.251218T1800Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
317 PM MST Wed Dec 17 2025

...WINTER STORM WARNING NOW IN EFFECT FROM 11 AM THURSDAY TO 5 AM MST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 1 and
  2 feet, greatest on west facing aspects. Winds gusting as high as
  75 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...From 11 AM Thursday to 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The strongest winds will continue through
  Friday morning, before decreasing to 50 mph into Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

MTZ033-181500-
/O.CON.KBYZ.WW.Y.0042.251218T0000Z-251218T1500Z/
Fallon-
Including the locations of Plevna, Webster, and Baker
317 PM MST Wed Dec 17 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST
THURSDAY...

* WHAT...Snow expected. Total snow accumulations up to one inch.
  Winds gusting as high as 80 mph.

* WHERE...Fallon.

* WHEN...Until 8 AM MST Thursday.

* IMPACTS...Plan on slippery road conditions. Widespread blowing snow
  could significantly reduce visibility to 1 mile or less, creating
  brief periods of blizzard conditions. The hazardous conditions will
  impact the Thursday morning commute.

* ADDITIONAL DETAILS...The majority of accumulating snowfall is
  forecast to begin late this evening and into early Thursday
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Matos


Action: Continued
Issued At: 2025-12-18 03:00:08

854 
WWUS45 KBYZ 180859
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
159 AM MST Thu Dec 18 2025

MTZ067-190900-
/O.CON.KBYZ.WS.W.0020.251218T1800Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
159 AM MST Thu Dec 18 2025

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 AM MST SATURDAY...

* WHAT...Periods of heavy snow expected. Total snow accumulations
  between 1 and 2 feet, greatest on west facing aspects. Winds
  gusting as high as 75 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...From 11 AM this morning to 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The strongest winds will continue through
  Friday morning, before decreasing to 50 mph into Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

MTZ033-181500-
/O.CON.KBYZ.WW.Y.0042.000000T0000Z-251218T1500Z/
Fallon-
Including the locations of Baker, Webster, and Plevna
159 AM MST Thu Dec 18 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

* WHAT...Snow occurring. Additional snow accumulations up to one
  inch. Winds gusting as high as 70 mph.

* WHERE...Fallon.

* WHEN...Until 8 AM MST this morning.

* IMPACTS...Plan on slippery road conditions. Widespread blowing snow
  could significantly reduce visibility to 1 mile or less, creating
  brief periods of blizzard conditions. The hazardous conditions will
  impact the Thursday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Palmquist


Action: Continued
Issued At: 2025-12-18 09:00:43

993 
WWUS45 KBYZ 181500
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
800 AM MST Thu Dec 18 2025

MTZ033-181600-
/O.EXP.KBYZ.WW.Y.0042.000000T0000Z-251218T1500Z/
Fallon-
Including the locations of Plevna, Baker, and Webster
800 AM MST Thu Dec 18 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING...

The snow and blowing snow threat has ended. Winds will continue to
decrease through the day today.

$$

MTZ067-191500-
/O.CON.KBYZ.WS.W.0020.251218T1800Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
800 AM MST Thu Dec 18 2025

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 AM MST SATURDAY...

* WHAT...Periods of heavy snow expected. Total snow accumulations
  between 1 and 2 feet, greatest on west facing aspects. Winds
  gusting as high as 75 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...From 11 AM this morning to 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The strongest winds are expected this evening
  through Friday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Arends


Action: Continued
Issued At: 2025-12-18 17:07:55

727 
WWUS45 KBYZ 182307
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
407 PM MST Thu Dec 18 2025

MTZ067-192315-
/O.CON.KBYZ.WS.W.0020.000000T0000Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
407 PM MST Thu Dec 18 2025

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

* WHAT...Periods of heavy snow. Total snow accumulations between 1
  and 2 feet, greatest on west facing aspects. Winds gusting as high
  as 75 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The strongest winds are expected this evening
  through Friday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Arends


Action: Continued
Issued At: 2025-12-19 04:17:34

175 
WWUS45 KBYZ 191017
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
317 AM MST Fri Dec 19 2025

MTZ067-201030-
/O.CON.KBYZ.WS.W.0020.000000T0000Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
317 AM MST Fri Dec 19 2025

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

* WHAT...Periods of heavy snow. Total snow accumulations between 1
  and 2 feet, greatest on west facing aspects. Winds gusting as high
  as 75 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The strongest winds are expected this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

MTZ033-191800-
/O.NEW.KBYZ.WW.Y.0043.251219T1017Z-251219T1800Z/
Fallon-
Including the locations of Plevna, Webster, and Baker
317 AM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING...

* WHAT...Mixed precipitation, including freezing rain expected. Ice
  accumulations around a light glaze. Winds gusting as high as 30
  mph.

* WHERE...Fallon.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Very slippery sidewalks, roads and bridges are possible.
  The hazardous conditions could impact the morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible power
outages. For the latest road conditions, call 5 1 1.

&&

$$

MTZ056-066-200700-
/O.NEW.KBYZ.WW.Y.0044.251219T2100Z-251220T0700Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Roscoe, Red Lodge, Fishtail, McLeod, Nye,
and Roberts
317 AM MST Fri Dec 19 2025

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

* WHAT...Snow expected. Total snow accumulations up to 3 inches.
  Winds gusting as high as 45 mph.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* WHEN...From 2 PM this afternoon to midnight MST tonight.

* IMPACTS...Plan on slippery road conditions. Blowing snow could
  reduce visibility. The hazardous conditions will impact the Friday
  evening commute.

* ADDITIONAL DETAILS...Rain will quickly transition to snow by this
  evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

MTZ138-WYZ199-200700-
/O.NEW.KBYZ.WW.Y.0044.251220T0000Z-251220T0700Z/
Southern Big Horn-Sheridan Foothills-
Including the locations of Ranchester, Sheridan, Dayton, Pryor, Big
Horn, Wyola, Clearmont, and Lodge Grass
317 AM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
MIDNIGHT MST TONIGHT...

* WHAT...Snow expected. Total snow accumulations up to 3 inches,
  greatest near the mountains and over the higher hills. Winds
  gusting as high as 35 mph.

* WHERE...In Montana, Southern Big Horn. In Wyoming, Sheridan
  Foothills.

* WHEN...From 5 PM this afternoon to midnight MST tonight.

* IMPACTS...Plan on slippery road conditions. Blowing snow could
  reduce visibility. The hazardous conditions will impact the Friday
  evening commute.

* ADDITIONAL DETAILS...Rain will quickly transition to snow this
  evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Palmquist


Action: Continued
Issued At: 2025-12-19 10:27:47

428 
WWUS45 KBYZ 191627
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
927 AM MST Fri Dec 19 2025

MTZ033-191730-
/O.CAN.KBYZ.WW.Y.0043.000000T0000Z-251219T1800Z/
Fallon-
Including the locations of Plevna, Webster, and Baker
927 AM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY IS CANCELLED...

The threat of mixed precipitation has ended as precipitation has
moved into the Dakotas and temperatures have warmed above freezing.

$$

MTZ067-201200-
/O.CON.KBYZ.WS.W.0020.000000T0000Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
927 AM MST Fri Dec 19 2025

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

* WHAT...Periods of heavy snow. Additional snow accumulations of 6 to
  12 inches. Winds gusting as high as 70 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...The strongest winds are expected this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

MTZ056-066-200700-
/O.CON.KBYZ.WW.Y.0044.251219T2100Z-251220T0700Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Nye, McLeod, Roberts, Roscoe, Red Lodge,
and Fishtail
927 AM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO MIDNIGHT MST TONIGHT...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches.
  Winds gusting as high as 30 mph.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* WHEN...From 2 PM this afternoon to midnight MST tonight.

* IMPACTS...Plan on slippery road conditions. Blowing snow could
  reduce visibility. The hazardous conditions will impact this
  evenings commute.

* ADDITIONAL DETAILS...Precipitation may start as rain, before
  quickly transitioning to snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

MTZ138-WYZ199-200700-
/O.CON.KBYZ.WW.Y.0044.251220T0000Z-251220T0700Z/
Southern Big Horn-Sheridan Foothills-
Including the locations of Sheridan, Clearmont, Wyola, Lodge Grass,
Pryor, Dayton, Big Horn, and Ranchester
927 AM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO MIDNIGHT MST TONIGHT...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches,
  greatest near the mountains and over the higher hills. Winds
  gusting as high as 35 mph.

* WHERE...In Montana, Southern Big Horn. In Wyoming, Sheridan
  Foothills.

* WHEN...From 5 PM this afternoon to midnight MST tonight.

* IMPACTS...Plan on slippery road conditions. Blowing snow could
  reduce visibility. The hazardous conditions will impact this
  evenings commute.

* ADDITIONAL DETAILS...Precipitation may start as rain, before
  quickly transitioning to snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Arends


Action: Continued
Issued At: 2025-12-19 16:37:27

479 
WWUS45 KBYZ 192236
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
336 PM MST Fri Dec 19 2025

MTZ067-201200-
/O.CON.KBYZ.WS.W.0020.000000T0000Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
336 PM MST Fri Dec 19 2025

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

* WHAT...Periods of heavy snow. Additional snow accumulations of 5 to
  10 inches. Winds gusting as high as 50 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow and blowing snow. Avalanche danger will increase.

* ADDITIONAL DETAILS...Expect the winds and snow to gradually
  decrease tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for difficult winter conditions if you have plans in the
backcountry.

&&

$$

MTZ058-200700-
/O.EXA.KBYZ.WW.Y.0044.251220T0000Z-251220T0700Z/
Southern Rosebud-
Including the locations of Ashland, Birney, and Lame Deer
336 PM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MST TONIGHT...

* WHAT...Snow. Total snow accumulations up to two inches, greatest
  over the higher hills. Winds gusting as high as 25 mph.

* WHERE...Southern Rosebud.

* WHEN...Until midnight MST tonight.

* IMPACTS...Plan on slippery road conditions. Blowing snow could
  reduce visibility. The hazardous conditions will impact this
  evenings commute.

* ADDITIONAL DETAILS...Precipitation may start as rain, before
  quickly transitioning to snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

MTZ056-066-200700-
/O.CON.KBYZ.WW.Y.0044.000000T0000Z-251220T0700Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Nye, McLeod, Roberts, Roscoe, Red Lodge,
and Fishtail
336 PM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Snow. Total snow accumulations of 1 to 3 inches. Winds
  gusting as high as 30 mph.

* WHERE...Beartooth Foothills and Red Lodge Foothills.

* WHEN...Until midnight MST tonight.

* IMPACTS...Plan on slippery road conditions. Blowing snow could
  reduce visibility. The hazardous conditions will impact this
  evenings commute.

* ADDITIONAL DETAILS...Precipitation may start as rain, before
  quickly transitioning to snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

MTZ138-WYZ199-200700-
/O.CON.KBYZ.WW.Y.0044.251220T0000Z-251220T0700Z/
Southern Big Horn-Sheridan Foothills-
Including the locations of Sheridan, Clearmont, Wyola, Lodge Grass,
Pryor, Dayton, Big Horn, and Ranchester
336 PM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Snow. Total snow accumulations of 1 to 3 inches, greatest
  near the mountains and over the higher hills. Winds gusting as high
  as 35 mph.

* WHERE...In Montana, Southern Big Horn. In Wyoming, Sheridan
  Foothills.

* WHEN...Until midnight MST tonight.

* IMPACTS...Plan on slippery road conditions. Blowing snow could
  reduce visibility. The hazardous conditions will impact this
  evenings commute.

* ADDITIONAL DETAILS...Precipitation may start as rain, before
  quickly transitioning to snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Arends


Action: Continued
Issued At: 2025-12-20 00:40:39

595 
WWUS45 KBYZ 200640
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
1140 PM MST Fri Dec 19 2025

MTZ056-058-066-138-WYZ199-200745-
/O.EXP.KBYZ.WW.Y.0044.000000T0000Z-251220T0700Z/
Red Lodge Foothills-Southern Rosebud-Beartooth Foothills-Southern
Big Horn-Sheridan Foothills-
Including the locations of Lodge Grass, Ranchester, Big Horn, Nye,
Roscoe, Fishtail, Wyola, Sheridan, McLeod, Roberts, Birney, Pryor,
Clearmont, Red Lodge, Dayton, Lame Deer, and Ashland
1140 PM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT MIDNIGHT MST TONIGHT...

Snow has generally ended across the area with only a few flurries
expected the remainder the the night. Motorists should still use
caution as roads may be icy or snowpacked.

$$

MTZ067-201200-
/O.CON.KBYZ.WS.W.0020.000000T0000Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
1140 PM MST Fri Dec 19 2025

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

* WHAT...Blowing snow occurring. Winds gusting as high as 35 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Recreation in the high country will be impacted by
  blowing snow significantly reducing visibility in some areas.

* ADDITIONAL DETAILS...Expect the winds and snow to gradually
  decrease tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. For the latest road conditions, call
5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Tesar


Action: Cancelled
Issued At: 2025-12-20 03:03:42

430 
WWUS45 KBYZ 200903
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
203 AM MST Sat Dec 20 2025

MTZ067-201015-
/O.CAN.KBYZ.WS.W.0020.000000T0000Z-251220T1200Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
203 AM MST Sat Dec 20 2025

...WINTER STORM WARNING IS CANCELLED...

Accumulating snowfall has ended across the area. Areas of blowing
snow may continue at higher elevations. An Avalanche Warning does
remain in affect for the mountains around Cooke City through 530 am
Sunday.

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Tesar



Page Loaded at: 2025-12-25 22:19:22 -- Client Address: 216.73.216.210 -- Refresh Time: seconds