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Winter Weather Advisory 0019
Issued by the Billings Forecast Office

Action Issued Starts Expiration
New 2026-05-20 13:56:25 2026-05-21 04:00:00 2026-05-21 22:00:00
Continued 2026-05-20 21:05:21 2026-05-21 04:00:00 2026-05-21 22:00:00
Continued 2026-05-21 02:16:18 2026-05-21 04:00:00 2026-05-21 22:00:00
Continued 2026-05-21 15:30:31 2026-05-21 22:00:00
Cancelled 2026-05-21 18:58:08 2026-05-21 22:00:00


Action: New
Issued At: 2026-05-20 13:56:25

568 
WWUS45 KBYZ 201855
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
1255 PM MDT Wed May 20 2026

MTZ067-211900-
/O.NEW.KBYZ.WS.W.0009.260521T0000Z-260522T0000Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
1255 PM MDT Wed May 20 2026

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT
THURSDAY...

* WHAT...Heavy snow expected...mainly on north facing slopes above
  7000 ft. Total snow accumulations 8-13 inches. Winds gusting as
  high as 30 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...From 6 PM this evening to 6 PM MDT Thursday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow.

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.

&&

$$

MTZ171-WYZ198-211900-
/O.NEW.KBYZ.WW.Y.0019.260521T0900Z-260522T0300Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Burgess Jct and Story
1255 PM MDT Wed May 20 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 9 PM MDT
THURSDAY...

* WHAT...Snow expected. Total snow accumulations 5 to 10 inches.
  Winds gusting as high as 30 mph.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
  Northeast Bighorn Mountains.

* WHEN...From 3 AM to 9 PM MDT Thursday.

* IMPACTS...Travel could be difficult. The hazardous conditions will
  impact the Thursday morning and evening commutes. Roads, including
  US-14,  will likely become slippery and hazardous.

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

Tesar


Action: Continued
Issued At: 2026-05-20 21:05:21

383 
WWUS45 KBYZ 210204
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
804 PM MDT Wed May 20 2026

MTZ067-220000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-260522T0000Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
804 PM MDT Wed May 20 2026

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY...

* WHAT...Periods of heavy snow...mainly on north facing slopes above
  7000 ft. Total snow accumulations 8-15 inches. North winds gusting
  as high as 30 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 6 PM MDT Thursday.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow.

* ADDITIONAL DETAILS...Several inches of snow are expected over
  Beartooth Pass, which may impact the opening of the highway at the
  end of the week. Be sure to monitor road conditions before
  traveling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dont be caught unprepared in the high country during this winter
storm. For the latest road conditions, call 5 1 1.

&&

$$

MTZ171-WYZ198-220215-
/O.CON.KBYZ.WW.Y.0019.260521T0900Z-260522T0300Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Story and Burgess Jct
804 PM MDT Wed May 20 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM MDT
THURSDAY...

* WHAT...Snow expected. Total snow accumulations 5 to 10 inches.
  North winds gusting as high as 30 mph.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
  Northeast Bighorn Mountains.

* WHEN...From 3 AM to 9 PM MDT Thursday.

* IMPACTS...Expect wintry travel conditions on US-14 through Burgess
  Junction. Recreation in the high country will be impacted by heavy
  accumulating snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For the latest road conditions, call 5 1 1.

&&

$$

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

Lester


Action: Continued
Issued At: 2026-05-21 02:16:18

306 
WWUS45 KBYZ 210715
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
115 AM MDT Thu May 21 2026

MTZ067-220000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-260522T0000Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
115 AM MDT Thu May 21 2026

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* WHAT...Periods of heavy snow...mainly on north facing slopes above
  6500 ft. Total snow accumulations 8 to 15 inches. North winds
  gusting as high as 30 mph.

* WHERE...Absaroka/Beartooth Mountains.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow.

* ADDITIONAL DETAILS...Several inches of snow are expected over
  Beartooth Pass, which may impact the opening of the highway at the
  end of the week. Be sure to monitor road conditions before
  traveling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dont be caught unprepared in the high country during this winter
storm. For the latest road conditions, call 5 1 1.

&&

$$

MTZ171-WYZ198-220300-
/O.CON.KBYZ.WW.Y.0019.260521T0900Z-260522T0300Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Story and Burgess Jct
115 AM MDT Thu May 21 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* WHAT...Snow expected. Total snow accumulations 5 to 10 inches.
  North winds gusting as high as 30 mph.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
  Northeast Bighorn Mountains.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Expect wintry travel conditions on US-14 through Burgess
  Junction. Recreation in the high country will be impacted by heavy
  accumulating snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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: 2026-05-21 15:30:31

817 
WWUS45 KBYZ 212030
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
230 PM MDT Thu May 21 2026

MTZ067-212130-
/O.CAN.KBYZ.WS.W.0009.000000T0000Z-260522T0000Z/
Absaroka/Beartooth Mountains-
Including the locations of Cooke City
230 PM MDT Thu May 21 2026

...WINTER STORM WARNING IS CANCELLED...

The threat of heavy accumulating snow and impacts has ended. People
in the high country should still anticipate a few snow showers the
rest of the day, but heavy snow is no longer expected.

$$

MTZ171-WYZ198-220300-
/O.CON.KBYZ.WW.Y.0019.000000T0000Z-260522T0300Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Story and Burgess Jct
230 PM MDT Thu May 21 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* WHAT...Snow expected. Total snow accumulations 5 to 10 inches.
  North winds gusting as high as 30 mph.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
  Northeast Bighorn Mountains.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Expect wintry travel conditions on US-14 through Burgess
  Junction. Recreation in the high country will be impacted by
  moderate to heavy accumulating snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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: 2026-05-21 18:58:08

485 
WWUS45 KBYZ 212357
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
557 PM MDT Thu May 21 2026

MTZ171-WYZ198-220100-
/O.CAN.KBYZ.WW.Y.0019.000000T0000Z-260522T0300Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Story and Burgess Jct
557 PM MDT Thu May 21 2026

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow has tapered to light snow showers and flurries. Little to no
further accumulation is expected so the advisory is cancelled.

$$

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

Lester



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