146 WWUS75 KGJT 191519 NPWGJT URGENT - WEATHER MESSAGE National Weather Service Grand Junction CO 919 AM MDT Tue May 19 2026 COZ001-002-200400- /O.CAN.KGJT.FZ.W.0019.000000T0000Z-260519T1600Z/ /O.CON.KGJT.FZ.W.0020.260520T0700Z-260520T1500Z/ Lower Yampa River Basin-Central Yampa River Basin- Including the cities of Rangely, Dinosaur, Dinosaur National Monument, Craig, Hayden, and Meeker 919 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MDT WEDNESDAY... ...THIS MORNING'S FREEZE WARNING IS CANCELLED... * WHAT...For this morning's Freeze Warning, the Warning has been cancelled due to temperatures warming above freezing. For Wednesday's Freeze Warning, sub-freezing temperatures as low as 22 expected. * WHERE...Central Yampa River Basin and Lower Yampa River Basin. * WHEN...From 1 AM to 9 AM MDT Wednesday. * 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. && $$ UTZ024-191630- /O.CAN.KGJT.FZ.W.0019.000000T0000Z-260519T1600Z/ Eastern Uinta Basin- Including the cities of Vernal, Jensen, Ballard, Fort Duchesne, Randlett, and Dinosaur National Monument 919 AM MDT Tue May 19 2026 ...THIS MORNING'S FREEZE WARNING IS CANCELLED... This morning's Freeze Warning has been cancelled due to temperatures warming above freezing. $$ GF  620 WWUS75 KRIW 191535 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 935 AM MDT Tue May 19 2026 WYZ005-006-201400- /O.NEW.KRIW.FZ.W.0004.260520T0300Z-260520T1400Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Ten Sleep, Thermopolis, and Worland 935 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 8 AM MDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 9 PM this evening to 8 AM MDT Wednesday. * 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. && $$ WYZ011-016>020-201400- /O.NEW.KRIW.FZ.W.0004.260520T0300Z-260520T1400Z/ Southeast Johnson County-Upper Wind River Basin-Wind River Basin- Lander Foothills-Green Mountains and Rattlesnake Range-Natrona County Lower Elevations- Including the cities of Shoshoni, Riverton, Lander, Jeffrey City, Dubois, Kaycee, and Casper 935 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 8 AM MDT WEDNESDAY... * WHAT...Sub-freezing temperatures between 25 and 30 degrees expected. The coldest temperatures occur where recent snowfall has occurred, where lows may reach as cold as 20 degrees. * WHERE...Green Mountains and Rattlesnake Range, Lander Foothills, Natrona County Lower Elevations, Upper Wind River Basin, Wind River Basin, and Southeast Johnson County. * WHEN...From 9 PM this evening to 8 AM MDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann  150 WWUS75 KCYS 191547 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 947 AM MDT Tue May 19 2026 WYZ101-115-191800- /O.EXP.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ /O.CON.KCYS.FZ.A.0002.260520T0600Z-260520T1400Z/ Converse County Lower Elevations-Laramie Valley- Including the cities of Douglas, Glenrock, Bill, Bosler, Laramie, and Deer Creek 947 AM MDT Tue May 19 2026 ...FREEZE WARNING WILL EXPIRE AT 10 AM MDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING... * WHAT...For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Converse County Lower Elevations and Laramie Valley. * WHEN...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. && $$ WYZ113-116-191800- /O.EXP.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ /O.CON.KCYS.FZ.A.0002.260520T0300Z-260520T1600Z/ Upper North Platte River Basin-South Laramie Range- Including the cities of Buford, Encampment, Pumpkin Vine, Vedauwoo, and Saratoga 947 AM MDT Tue May 19 2026 ...FREEZE WARNING WILL EXPIRE AT 10 AM MDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING THROUGH WEDNESDAY MORNING... * WHAT...For the Freeze Watch, sub-freezing temperatures as low as 19 possible. * WHERE...Upper North Platte River Basin and South Laramie Range. * WHEN...From 9 PM MDT this evening through Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NEZ002-003-019>021-054-055-095-096-WYZ102-106>108-117>119-191700- /O.EXP.KCYS.FZ.W.0002.000000T0000Z-260519T1600Z/ Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Kimball County-Cheyenne 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 Sidney, Torrington, Agate, Pine Bluffs, Gering, Chadron, Bordeaux, Wheatland, Alliance, Horse Creek, Redbird, Kimball, Cheyenne, Angora, Guernsey, Harrison, Lusk, Hemingford, Federal, Bayard, Whitaker, Harrisburg, Bridgeport, Redington, Chadron St Park, Scottsbluff, and Brownson 947 AM MDT Tue May 19 2026 ...FREEZE WARNING WILL EXPIRE AT 10 AM MDT THIS MORNING... Temperatures have risen above freezing levels. Therefore the Freeze Warning will be allowed to end. $$ WYZ104-105-109>111-191800- /O.CON.KCYS.FZ.W.0002.000000T0000Z-260519T1800Z/ /O.CON.KCYS.FZ.A.0002.260520T0300Z-260520T1600Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon County-North Snowy Range Foothills-Southwest Carbon County- Including the cities of Seminoe Dam, Arlington, Rawlins, Baggs, Medicine Bow, Elk Mountain, and Shirley Basin 947 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... ...FREEZE WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING THROUGH WEDNESDAY MORNING... * WHAT...For the Freeze Warning this morning, sub-freezing temperatures as low as 20 expected. For the Freeze Watch Tuesday night, sub-freezing temperatures as low as 16 possible. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, and Southwest Carbon County. * WHEN...For the Freeze Warning, until noon MDT today. For the Freeze Watch, from 9 PM MDT this evening through Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CG