WWUS75 KCYS 190642 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1242 AM MDT Tue May 19 2026 WYZ101-115-192100- /O.CON.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ /O.CON.KCYS.FZ.A.0002.260520T0600Z-260520T1400Z/ Converse County Lower Elevations-Laramie Valley- Including the cities of Bill, Glenrock, Douglas, Deer Creek, Laramie, and Bosler 1242 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 15 degrees. For the Freeze Watch, sub-freezing temperatures as low as 20 possible. * WHERE...Converse County Lower Elevations and Laramie Valley. * WHEN...For the Freeze Warning, until 10 AM MDT this morning. For the Freeze Watch, from late tonight through Wednesday 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. && $$ WYZ104-105-109>111-192100- /O.CON.KCYS.FZ.W.0002.000000T0000Z-260519T1800Z/ /O.CON.KCYS.FZ.A.0002.260520T0300Z-260520T1600Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon County-North Snowy Range Foothills-Southwest Carbon County- Including the cities of Seminoe Dam, Baggs, Rawlins, Medicine Bow, Shirley Basin, Elk Mountain, and Arlington 1242 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING... * WHAT...For the Freeze Warning tonight, sub-freezing temperatures as low as 12 degrees above zero expected. For the Freeze Watch Tuesday night, sub-freezing temperatures as low as 18 possible. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, and Southwest Carbon County. * WHEN...For the Freeze Warning, until noon MDT today. For the Freeze Watch, from this evening through Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ113-192100- /O.CON.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ /O.CON.KCYS.FZ.A.0002.260520T0300Z-260520T1600Z/ Upper North Platte River Basin- Including the cities of Encampment and Saratoga 1242 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING... * WHAT...For the Freeze Warning tonight, sub-freezing temperatures as low as 18 degrees expected. For the Freeze Watch Tuesday night, sub-freezing temperatures as low as 20 possible. * WHERE...Upper North Platte River Basin. * WHEN...For the Freeze Warning, until 10 AM MDT this morning. For the Freeze Watch, from this evening through Wednesday 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. && $$ WYZ116-192100- /O.CON.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ /O.CON.KCYS.FZ.A.0002.260520T0300Z-260520T1600Z/ South Laramie Range- Including the cities of Buford, Vedauwoo, and Pumpkin Vine 1242 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING... * WHAT...For the Freeze Warning tonight, sub-freezing temperatures as low as 12 degrees above zero expected. For the Freeze Watch Tuesday night, sub-freezing temperatures as low as 23 possible. * WHERE...South Laramie Range. * WHEN...For the Freeze Warning, until 10 AM MDT this morning. For the Freeze Watch, from this evening through Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NEZ002-003-020-021-054-055-191600- /O.CON.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ Dawes County-Box Butte County-Banner County-Morrill County- Kimball County-Cheyenne County- Including the cities of Bridgeport, Bayard, Sidney, Chadron, Angora, Redington, Kimball, Chadron St Park, Alliance, Hemingford, Brownson, and Harrisburg 1242 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Banner County, Box Butte County, Cheyenne County, Dawes County, Kimball County, and Morrill County. * WHEN...Until 10 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. && $$ NEZ019-095-096-WYZ102-106>108-117>119-191600- /O.CON.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ Scotts Bluff County-Northern Sioux County-Southern Sioux County- Niobrara County-Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-South Laramie Range Foothills- Central Laramie County-East Laramie County- Including the cities of Pine Bluffs, Scottsbluff, Whitaker, Harrison, Bordeaux, Guernsey, Federal, Lusk, Wheatland, Horse Creek, Agate, Gering, Redbird, Cheyenne, and Torrington 1242 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 24 degrees. * WHERE...In Nebraska, Northern Sioux County, Scotts Bluff County, and Southern Sioux County. In Wyoming, Niobrara County, Central Laramie County, Central Laramie Range and Southwest Platte County, East Laramie County, East Platte County, Goshen County, and South Laramie Range Foothills. * WHEN...Until 10 AM MDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Trudel