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Home Return to list Freeze Warning 0004 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-05-21 14:59:00 936 WWUS75 KCYS 211958 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 158 PM MDT Thu May 21 2026 WYZ104-105-109>111-113-115-116-221500- /O.NEW.KCYS.FZ.W.0004.260522T0600Z-260522T1500Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon County-North Snowy Range Foothills-Southwest Carbon County-Upper North Platte River Basin-Laramie Valley-South Laramie Range- Including the cities of Vedauwoo, Shirley Basin, Bosler, Laramie, Arlington, Rawlins, Buford, Saratoga, Elk Mountain, Encampment, Medicine Bow, Seminoe Dam, Pumpkin Vine, and Baggs 158 PM MDT Thu May 21 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT FRIDAY... * WHAT...Sub-freezing temperatures between 25 and 32 degrees expected. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, Southwest Carbon County, Upper North Platte River Basin, Laramie Valley, and South Laramie Range. * WHEN...From midnight tonight to 9 AM MDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MN Action: Continued Issued At: 2026-05-22 01:36:19 577 WWUS75 KCYS 220635 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1235 AM MDT Fri May 22 2026 WYZ104-105-109>111-113-115-116-221500- /O.CON.KCYS.FZ.W.0004.000000T0000Z-260522T1500Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon County-North Snowy Range Foothills-Southwest Carbon County-Upper North Platte River Basin-Laramie Valley-South Laramie Range- Including the cities of Rawlins, Seminoe Dam, Arlington, Pumpkin Vine, Medicine Bow, Shirley Basin, Saratoga, Encampment, Vedauwoo, Baggs, Bosler, Buford, Laramie, and Elk Mountain 1235 AM MDT Fri May 22 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Sub-freezing temperatures between 25 and 32 degrees expected. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, Southwest Carbon County, Upper North Platte River Basin, Laramie Valley, and South Laramie Range. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Mose Action: Expired Issued At: 2026-05-22 09:52:46 537 WWUS75 KCYS 221452 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 852 AM MDT Fri May 22 2026 WYZ104-105-109>111-113-115-116-221600- /O.EXP.KCYS.FZ.W.0004.000000T0000Z-260522T1500Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon County-North Snowy Range Foothills-Southwest Carbon County-Upper North Platte River Basin-Laramie Valley-South Laramie Range- Including the cities of Seminoe Dam, Shirley Basin, Saratoga, Vedauwoo, Bosler, Laramie, Medicine Bow, Rawlins, Buford, Encampment, Arlington, Pumpkin Vine, Elk Mountain, and Baggs 852 AM MDT Fri May 22 2026 ...FREEZE WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING... Temperatures have warmed above freezing. Therefore, the Freeze Warning will be allowed to expire on time. $$ MN | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||