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Winter Storm Warning 0011
Issued by the Cheyenne Forecast Office

Action Issued Starts Expiration
New 2025-12-04 01:25:40 2025-12-05 00:00:00 2025-12-07 06:00:00
Continued 2025-12-04 13:56:26 2025-12-05 00:00:00 2025-12-07 06:00:00
Continued 2025-12-04 13:57:26 2025-12-05 00:00:00 2025-12-07 06:00:00
Continued 2025-12-05 15:20:53 2025-12-07 06:00:00
Continued 2025-12-06 03:07:41 2025-12-07 06:00:00
Continued 2025-12-06 19:49:30 2025-12-07 06:00:00
Expired 2025-12-07 05:44:07 2025-12-07 06:00:00


Action: New
Issued At: 2025-12-04 01:25:40

688 
WWUS45 KCYS 040725
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1225 AM MST Thu Dec 4 2025

WYZ112-114-050000-
/O.NEW.KCYS.WS.W.0011.251205T0600Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
1225 AM MST Thu Dec 4 2025

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM 
MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 1 and 
  2 feet. Higher amounts possible above 10000 feet. Winds gusting as 
  high as 65 mph will lead to blowing snow and reduced visibility.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...From 11 PM this evening to 5 AM MST Sunday.

* IMPACTS...Outdoor recreation could become life threatening to 
  those caught unprepared for severe winter conditions. Hikers and 
  snowmobilers may easily become disoriented. Frostbite and 
  hypothermia can develop quickly. Widespread blowing snow could 
  significantly reduce visibility and lead to dangerous travel 
  conditions. Travel could be very difficult to impossible. Very 
  strong winds could cause 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 for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

Fuller


Action: Continued
Issued At: 2025-12-04 13:56:26

210 
WWUS45 KCYS 041956
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1256 PM MST Thu Dec 4 2025

WYZ112-114-050400-
/O.CON.KCYS.WS.W.0011.251205T0600Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
1256 PM MST Thu Dec 4 2025

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 
5 AM MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 1 and 
  2 feet. Higher amounts possible above 10000 feet. Winds gusting as 
  high as 65 mph will lead to blowing snow and reduced visibility.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...From 11 PM this evening to 5 AM MST Sunday.

* IMPACTS...Outdoor recreation could become life threatening to 
  those caught unprepared for severe winter conditions. Hikers and 
  snowmobilers may easily become disoriented. Frostbite and 
  hypothermia can develop quickly. Widespread blowing snow could 
  significantly reduce visibility and lead to dangerous travel 
  conditions. Travel could be very difficult to impossible. Very 
  strong winds could cause 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 for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

Charnick


Action: Continued
Issued At: 2025-12-04 13:57:26

221 
WWUS45 KCYS 041956 RRA
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1256 PM MST Thu Dec 4 2025

WYZ112-114-051200-
/O.CON.KCYS.WS.W.0011.251205T0600Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
1256 PM MST Thu Dec 4 2025

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 
5 AM MST SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 1 and 
  2 feet. Higher amounts possible above 10000 feet. Winds gusting as 
  high as 65 mph will lead to blowing snow and reduced visibility.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...From 11 PM this evening to 5 AM MST Sunday.

* IMPACTS...Outdoor recreation could become life threatening to 
  those caught unprepared for severe winter conditions. Hikers and 
  snowmobilers may easily become disoriented. Frostbite and 
  hypothermia can develop quickly. Widespread blowing snow could 
  significantly reduce visibility and lead to dangerous travel 
  conditions. Travel could be very difficult to impossible. Very 
  strong winds could cause 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 for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

Charnick


Action: Continued
Issued At: 2025-12-05 15:20:53

771 
WWUS45 KCYS 052120
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
220 PM MST Fri Dec 5 2025

WYZ112-114-061200-
/O.CON.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
220 PM MST Fri Dec 5 2025

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

* WHAT...Heavy snow expected. Total snow accumulations between 1 and 
  2 feet. Higher amounts possible above 10000 feet. Winds gusting as 
  high as 65 mph will lead to blowing snow and reduced visibility.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...Until 5 AM MST Sunday.

* IMPACTS...Outdoor recreation could become life threatening to 
  those caught unprepared for severe winter conditions. Hikers and 
  snowmobilers may easily become disoriented. Frostbite and 
  hypothermia can develop quickly. Widespread blowing snow could 
  significantly reduce visibility and lead to dangerous travel 
  conditions. Travel could be very difficult to impossible. Very 
  strong winds could cause 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 for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WYZ110-061200-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-251207T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
220 PM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST 
SATURDAY...

* WHAT...Snow expected. Additional snow accumulations between 2 and 
  4 inches. Highest accumulations are expected near the Snowy Range. 
  Winds gusting as high as 70 mph. Strong winds will lead to blowing 
  snow and reduced visibility. Visibility may be reduced below one 
  mile at times.

* WHERE...North Snowy Range Foothills including Arlington and Elk 
  Mountain along Interstate 80.

* WHEN...Until 5 PM MST Saturday.

* IMPACTS...Areas of blowing snow could reduce visibility and lead 
  to slick road conditions. Travel will be difficult.

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.

&&

$$

CG


Action: Continued
Issued At: 2025-12-06 03:07:41

386 
WWUS45 KCYS 060907
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
207 AM MST Sat Dec 6 2025

WYZ112-114-070000-
/O.CON.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
207 AM MST Sat Dec 6 2025

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

* WHAT...Heavy snow expected. Additional snow accumulations between 
  10 and 18 inches. Higher amounts possible above 10000 feet. Winds 
  gusting as high as 65 mph will lead to blowing snow and reduced 
  visibility.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...Until 5 AM MST Sunday.

* IMPACTS...Outdoor recreation could become life threatening to 
  those caught unprepared for severe winter conditions. Hikers and 
  snowmobilers may easily become disoriented. Frostbite and 
  hypothermia can develop quickly.

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.

&&

$$

WYZ110-070000-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-251207T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
207 AM MST Sat Dec 6 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS 
AFTERNOON...

* WHAT...Snow expected. Additional snow accumulations between 2 and 
  4 inches. Highest accumulations are expected near the Snowy Range. 
  Winds gusting as high as 70 mph. Strong winds will lead to blowing 
  snow and reduced visibility. Visibility may be reduced below 
  one-half mile at times.

* WHERE...North Snowy Range Foothills including Arlington and Elk 
  Mountain along Interstate 80.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Areas of blowing snow could reduce visibility and lead 
  to slick road conditions. Travel will be difficult.

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.

&&

$$

MN


Action: Continued
Issued At: 2025-12-06 19:49:30

505 
WWUS45 KCYS 070148
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
648 PM MST Sat Dec 6 2025

WYZ112-114-071200-
/O.CON.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
648 PM MST Sat Dec 6 2025

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

* WHAT...Heavy snow expected. Additional snow accumulations between 
  5 and 10 inches. Higher amounts possible above 10000 feet. Winds 
  gusting as high as 65 mph will lead to blowing snow and reduced 
  visibility.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...Until 5 AM MST Sunday.

* IMPACTS...Outdoor recreation could become life threatening to 
  those caught unprepared for severe winter conditions. Hikers and 
  snowmobilers may easily become disoriented. Frostbite and 
  hypothermia can develop quickly.

* ADDITIONAL DETAILS...Total snow accumulations are expected to 
  range between 2 to 5 feet of snow.

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.

&&

$$

Trudel


Action: Expired
Issued At: 2025-12-07 05:44:07

204 
WWUS45 KCYS 071143
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
443 AM MST Sun Dec 7 2025

WYZ112-114-071245-
/O.EXP.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
443 AM MST Sun Dec 7 2025

...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING...

Snow is coming to an end. However, light snow and patchy blowing 
snow are expected to continue for the next few hours.

Another quick round of moderate snowfall is expected for areas above 
9000 ft in elevation this evening into Monday morning.

$$

MN



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