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13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.

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2025 [KCYS] CHEYENNE Winter Weather (WW) Advisory (Y) Number 26

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

421 
WWUS45 KCYS 310921
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
321 AM MDT Mon Mar 31 2025

WYZ112-114-010000-
/O.NEW.KCYS.WW.Y.0026.250401T0300Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
321 AM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM 
MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 10 
  inches. Winds gusting as high as 45 mph.

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

* WHEN...From 9 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  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.

&&

$$

Fuller
127 
WWUS45 KCYS 312047
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
247 PM MDT Mon Mar 31 2025

WYZ112-114-011200-
/O.CON.KCYS.WW.Y.0026.250401T0300Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
247 PM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO 6 PM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 10 
  inches. Winds gusting as high as 45 mph.

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

* WHEN...From 9 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow.

* ADDITIONAL DETAILS...Most of the snow is expected to fall 
  overnight through early Tuesday morning, but on and off snow 
  showers will continue through the day on Tuesday.

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
085 
WWUS45 KCYS 312142
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
342 PM MDT Mon Mar 31 2025

WYZ104-105-109-110-011200-
/O.EXB.KCYS.WW.Y.0026.250331T2300Z-250401T1400Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon
County-North Snowy Range Foothills-
Including the cities of Medicine Bow, Rawlins, Arlington, Elk
Mountain, Shirley Basin, and Seminoe Dam
342 PM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MDT TUESDAY...

* WHAT...Snow showers expected. Total snow accumulations between 1 
  and 4 inches with locally higher amounts possible. Winds gusting 
  as high as 50 mph.

* WHERE...North Snowy Range Foothills including Arlington and Elk 
  Mountain along Interstate 80, Ferris/Seminoe/Shirley Mountains, 
  Shirley Basin, and Central Carbon County.

* WHEN...Until 8 AM MDT Tuesday.

* IMPACTS...Visibility may drop to below one half mile at times. 
  Roads, and especially bridges and overpasses, will likely become 
  slick and hazardous.

* ADDITIONAL DETAILS...Expect rapidly changing conditions during 
  multiple rounds of locally heavy snow shower activity.

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.

&&

$$

WYZ112-114-011200-
/O.CON.KCYS.WW.Y.0026.250401T0300Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
342 PM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO 6 PM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 10 
  inches. Winds gusting as high as 45 mph.

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

* WHEN...From 9 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  difficult.

* ADDITIONAL DETAILS...Most of the snow is expected to fall 
  overnight through early Tuesday morning, but on and off snow 
  showers will continue through the day on Tuesday.

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
652 
WWUS45 KCYS 010747
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
147 AM MDT Tue Apr 1 2025

WYZ104-105-109-110-011400-
/O.CON.KCYS.WW.Y.0026.000000T0000Z-250401T1400Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon
County-North Snowy Range Foothills-
Including the cities of Seminoe Dam, Shirley Basin, Medicine Bow,
Rawlins, Arlington, and Elk Mountain
147 AM MDT Tue Apr 1 2025

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

* WHAT...Snow showers expected. Total snow accumulations between 1 
  and 4 inches with locally higher amounts possible. Winds gusting 
  as high as 50 mph.

* WHERE...North Snowy Range Foothills including Arlington and Elk 
  Mountain along Interstate 80, Ferris/Seminoe/Shirley Mountains, 
  Shirley Basin, and Central Carbon County.

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

* IMPACTS...Visibility may drop to below one half mile at times. 
  Roads, and especially bridges and overpasses, will likely become 
  slick and hazardous.

* ADDITIONAL DETAILS...Expect rapidly changing conditions during 
  multiple rounds of locally heavy snow shower activity.

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.

&&

$$

WYZ112-114-020000-
/O.CON.KCYS.WW.Y.0026.000000T0000Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
147 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations between 3 and 6 inches. 
  Winds gusting as high as 45 mph.

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

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

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  difficult.

* ADDITIONAL DETAILS...Most of the snow is expected to fall 
  overnight through early Tuesday morning, but on and off snow 
  showers will continue through the day on Tuesday.

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.

&&

$$

Fuller
269 
WWUS45 KCYS 011348
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
748 AM MDT Tue Apr 1 2025

WYZ104-105-109-110-011500-
/O.EXP.KCYS.WW.Y.0026.000000T0000Z-250401T1400Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon
County-North Snowy Range Foothills-
Including the cities of Seminoe Dam, Arlington, Medicine Bow,
Shirley Basin, Rawlins, and Elk Mountain
748 AM MDT Tue Apr 1 2025

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

Most snow accumulation has come to an end. Use caution as light snow 
showers and slick roads will be possible for the next few hours.

$$

WYZ112-114-020000-
/O.CON.KCYS.WW.Y.0026.000000T0000Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
748 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations between 1 and 4 inches. 
  Winds gusting as high as 45 mph.

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

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

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  difficult.

* ADDITIONAL DETAILS...Most of the snow has already fallen, but on 
  and off snow showers will continue through the day today

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
914 
WWUS45 KCYS 012334
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
534 PM MDT Tue Apr 1 2025

WYZ112-114-020045-
/O.EXP.KCYS.WW.Y.0026.000000T0000Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
534 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

Snow has ended, however patchy blowing snow is expected to continue 
for the next few hours.

$$

Mose
Permalink to 202503310921-KCYS-WWUS45-WSWCYS
421 
WWUS45 KCYS 310921
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
321 AM MDT Mon Mar 31 2025

WYZ112-114-010000-
/O.NEW.KCYS.WW.Y.0026.250401T0300Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
321 AM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM 
MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 10 
  inches. Winds gusting as high as 45 mph.

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

* WHEN...From 9 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  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.

&&

$$

Fuller
Permalink to 202503312047-KCYS-WWUS45-WSWCYS
127 
WWUS45 KCYS 312047
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
247 PM MDT Mon Mar 31 2025

WYZ112-114-011200-
/O.CON.KCYS.WW.Y.0026.250401T0300Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
247 PM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO 6 PM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 10 
  inches. Winds gusting as high as 45 mph.

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

* WHEN...From 9 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow.

* ADDITIONAL DETAILS...Most of the snow is expected to fall 
  overnight through early Tuesday morning, but on and off snow 
  showers will continue through the day on Tuesday.

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
Permalink to 202503312142-KCYS-WWUS45-WSWCYS
085 
WWUS45 KCYS 312142
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
342 PM MDT Mon Mar 31 2025

WYZ104-105-109-110-011200-
/O.EXB.KCYS.WW.Y.0026.250331T2300Z-250401T1400Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon
County-North Snowy Range Foothills-
Including the cities of Medicine Bow, Rawlins, Arlington, Elk
Mountain, Shirley Basin, and Seminoe Dam
342 PM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MDT TUESDAY...

* WHAT...Snow showers expected. Total snow accumulations between 1 
  and 4 inches with locally higher amounts possible. Winds gusting 
  as high as 50 mph.

* WHERE...North Snowy Range Foothills including Arlington and Elk 
  Mountain along Interstate 80, Ferris/Seminoe/Shirley Mountains, 
  Shirley Basin, and Central Carbon County.

* WHEN...Until 8 AM MDT Tuesday.

* IMPACTS...Visibility may drop to below one half mile at times. 
  Roads, and especially bridges and overpasses, will likely become 
  slick and hazardous.

* ADDITIONAL DETAILS...Expect rapidly changing conditions during 
  multiple rounds of locally heavy snow shower activity.

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.

&&

$$

WYZ112-114-011200-
/O.CON.KCYS.WW.Y.0026.250401T0300Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
342 PM MDT Mon Mar 31 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO 6 PM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 5 and 10 
  inches. Winds gusting as high as 45 mph.

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

* WHEN...From 9 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  difficult.

* ADDITIONAL DETAILS...Most of the snow is expected to fall 
  overnight through early Tuesday morning, but on and off snow 
  showers will continue through the day on Tuesday.

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
Permalink to 202504010747-KCYS-WWUS45-WSWCYS
652 
WWUS45 KCYS 010747
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
147 AM MDT Tue Apr 1 2025

WYZ104-105-109-110-011400-
/O.CON.KCYS.WW.Y.0026.000000T0000Z-250401T1400Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon
County-North Snowy Range Foothills-
Including the cities of Seminoe Dam, Shirley Basin, Medicine Bow,
Rawlins, Arlington, and Elk Mountain
147 AM MDT Tue Apr 1 2025

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

* WHAT...Snow showers expected. Total snow accumulations between 1 
  and 4 inches with locally higher amounts possible. Winds gusting 
  as high as 50 mph.

* WHERE...North Snowy Range Foothills including Arlington and Elk 
  Mountain along Interstate 80, Ferris/Seminoe/Shirley Mountains, 
  Shirley Basin, and Central Carbon County.

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

* IMPACTS...Visibility may drop to below one half mile at times. 
  Roads, and especially bridges and overpasses, will likely become 
  slick and hazardous.

* ADDITIONAL DETAILS...Expect rapidly changing conditions during 
  multiple rounds of locally heavy snow shower activity.

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.

&&

$$

WYZ112-114-020000-
/O.CON.KCYS.WW.Y.0026.000000T0000Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
147 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations between 3 and 6 inches. 
  Winds gusting as high as 45 mph.

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

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

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  difficult.

* ADDITIONAL DETAILS...Most of the snow is expected to fall 
  overnight through early Tuesday morning, but on and off snow 
  showers will continue through the day on Tuesday.

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.

&&

$$

Fuller
Permalink to 202504011348-KCYS-WWUS45-WSWCYS
269 
WWUS45 KCYS 011348
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
748 AM MDT Tue Apr 1 2025

WYZ104-105-109-110-011500-
/O.EXP.KCYS.WW.Y.0026.000000T0000Z-250401T1400Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon
County-North Snowy Range Foothills-
Including the cities of Seminoe Dam, Arlington, Medicine Bow,
Shirley Basin, Rawlins, and Elk Mountain
748 AM MDT Tue Apr 1 2025

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

Most snow accumulation has come to an end. Use caution as light snow 
showers and slick roads will be possible for the next few hours.

$$

WYZ112-114-020000-
/O.CON.KCYS.WW.Y.0026.000000T0000Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
748 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations between 1 and 4 inches. 
  Winds gusting as high as 45 mph.

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

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

* IMPACTS...Outdoor recreation could become dangerous to those 
  caught unprepared for hazardous winter conditions. Hunters, 
  hikers, and snowmobilers may become disoriented and lost due to 
  low visibility in falling and blowing snow. Travel could be very 
  difficult.

* ADDITIONAL DETAILS...Most of the snow has already fallen, but on 
  and off snow showers will continue through the day today

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
Permalink to 202504012334-KCYS-WWUS45-WSWCYS
914 
WWUS45 KCYS 012334
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
534 PM MDT Tue Apr 1 2025

WYZ112-114-020045-
/O.EXP.KCYS.WW.Y.0026.000000T0000Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
534 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

Snow has ended, however patchy blowing snow is expected to continue 
for the next few hours.

$$

Mose

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