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Winter Weather Advisory 0039
Issued by the Cheyenne Forecast Office

Action Issued Starts Expiration
New 2025-12-19 02:35:49 2025-12-19 21:00:00 2025-12-20 21:00:00
Continued 2025-12-19 02:37:49 2025-12-19 21:00:00 2025-12-20 21:00:00
Continued 2025-12-19 14:12:23 2025-12-19 21:00:00 2025-12-20 21:00:00
Continued 2025-12-20 05:36:07 2025-12-20 21:00:00
Expired 2025-12-20 20:40:03 2025-12-20 21:00:00


Action: New
Issued At: 2025-12-19 02:35:49

823 
WWUS45 KCYS 190835
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
135 AM MST Fri Dec 19 2025

WYZ112-114-191645-
/O.NEW.KCYS.WW.Y.0039.251220T0300Z-251221T0300Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
135 AM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM 
MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 6 and 10 
  inches. Winds gusting as high as 60 mph.

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

* WHEN...From 8 PM this evening to 8 PM MST Saturday.

* IMPACTS...Travel could be very difficult. Strong winds could cause 
  tree damage.

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: 2025-12-19 02:37:49

878 
WWUS45 KCYS 190837
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
137 AM MST Fri Dec 19 2025

WYZ112-114-200000-
/O.CON.KCYS.WW.Y.0039.251220T0300Z-251221T0300Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
137 AM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING 
TO 8 PM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 6 and 10 
  inches. Winds gusting as high as 60 mph.

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

* WHEN...From 8 PM this evening to 8 PM MST Saturday.

* IMPACTS...Travel could be very difficult. Strong winds could cause 
  tree damage.

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: 2025-12-19 14:12:23

404 
WWUS45 KCYS 192012
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
112 PM MST Fri Dec 19 2025

WYZ112-114-201200-
/O.CON.KCYS.WW.Y.0039.251220T0300Z-251221T0300Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
112 PM MST Fri Dec 19 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING 
TO 8 PM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations between 6 and 10 
  inches. Winds gusting as high as 60 mph.

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

* WHEN...From 8 PM this evening to 8 PM MST Saturday.

* IMPACTS...Travel could be very difficult. Very strong winds could 
  cause extensive tree damage.

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.

&&

$$

Zawislak


Action: Continued
Issued At: 2025-12-20 05:36:07

908 
WWUS45 KCYS 201135
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
435 AM MST Sat Dec 20 2025

WYZ112-114-210300-
/O.CON.KCYS.WW.Y.0039.000000T0000Z-251221T0300Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
435 AM MST Sat Dec 20 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations 4 to 8 inches. Winds 
  gusting as high as 50 mph.

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

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Travel could be very difficult. Very strong winds could 
  cause extensive tree damage.

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: Expired
Issued At: 2025-12-20 20:40:03

098 
WWUS45 KCYS 210239
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
739 PM MST Sat Dec 20 2025

WYZ112-114-210345-
/O.EXP.KCYS.WW.Y.0039.000000T0000Z-251221T0300Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
739 PM MST Sat Dec 20 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 PM MST THIS EVENING...

Snow has ended. Use caution as slick roads will be possible for the 
next few hours.

$$

Mose



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