366 WWUS73 KMPX 191723 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 1223 PM CDT Tue May 19 2026 MNZ041>045-047>059-064>067-073>075-201100- /O.NEW.KMPX.FR.Y.0008.260520T0600Z-260520T1300Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Yellow Medicine-Renville-McLeod-Sibley- Redwood-Brown-Nicollet- Including the cities of Willmar, Benson, Elk River, Hutchinson, Morris, Sauk Rapids, Glenwood, Alexandria, Madison, Granite Falls, Montevideo, Center City, Redwood Falls, Long Prairie, Olivia, St Cloud, Litchfield, New Ulm, Mora, St Peter, Little Falls, Princeton, Gaylord, Cambridge, and Monticello 1223 PM CDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, east central, south central, southwest, and west central Minnesota. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ BPH  175 WWUS75 KCYS 191740 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1140 AM MDT Tue May 19 2026 WYZ104-105-109>111-201200- /O.EXP.KCYS.FZ.W.0002.000000T0000Z-260519T1800Z/ /O.UPG.KCYS.FZ.A.0002.260520T0300Z-260520T1600Z/ /O.NEW.KCYS.FZ.W.0003.260520T0300Z-260520T1600Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon County-North Snowy Range Foothills-Southwest Carbon County- Including the cities of Rawlins, Baggs, Medicine Bow, Seminoe Dam, Elk Mountain, Arlington, and Shirley Basin 1140 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... ...FREEZE WARNING WILL EXPIRE AT NOON MDT TODAY... * WHAT...Sub-freezing temperatures between 15 and 25 degrees expected. * WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains, North Snowy Range Foothills, Shirley Basin, and Southwest Carbon County. * WHEN...From 9 PM this evening to 10 AM MDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ113-116-201200- /O.UPG.KCYS.FZ.A.0002.260520T0300Z-260520T1600Z/ /O.NEW.KCYS.FZ.W.0003.260520T0300Z-260520T1600Z/ Upper North Platte River Basin-South Laramie Range- Including the cities of Vedauwoo, Buford, Saratoga, Encampment, and Pumpkin Vine 1140 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... * WHAT...Sub-freezing temperatures between 20 and 30 degrees expected. * WHERE...Upper North Platte River Basin and South Laramie Range. * WHEN...From 9 PM this evening to 10 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. && $$ WYZ101-115-201200- /O.UPG.KCYS.FZ.A.0002.260520T0600Z-260520T1400Z/ /O.NEW.KCYS.FZ.W.0003.260520T0600Z-260520T1400Z/ Converse County Lower Elevations-Laramie Valley- Including the cities of Douglas, Deer Creek, Laramie, Bill, Bosler, and Glenrock 1140 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... * WHAT...Sub-freezing temperatures between 25 and 32 degrees expected. * WHERE...Converse County Lower Elevations and Laramie Valley. * WHEN...From midnight tonight to 8 AM MDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NEZ095-WYZ102-106-107-117-201200- /O.NEW.KCYS.FR.Y.0001.260520T0600Z-260520T1400Z/ Northern Sioux County-Niobrara County-Central Laramie Range and Southwest Platte County-East Platte County-South Laramie Range Foothills- Including the cities of Guernsey, Federal, Bordeaux, Redbird, Harrison, Whitaker, Wheatland, Horse Creek, and Lusk 1140 AM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... * WHAT...Temperatures as low as 28 will result in frost formation. * WHERE...In Nebraska, Northern Sioux County. In Wyoming, Niobrara County, Central Laramie Range and Southwest Platte County, East Platte County, and South Laramie Range Foothills. * WHEN...From midnight tonight to 8 AM MDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tenderplants from the cold. && $$ MN  517 WWUS73 KUNR 191746 NPWUNR URGENT - WEATHER MESSAGE National Weather Service Rapid City SD 1146 AM MDT Tue May 19 2026 WYZ055-056-058>060-200900- /O.NEW.KUNR.FZ.W.0003.260520T0800Z-260520T1400Z/ Southern Campbell-Western Crook-Weston County Plains-Newcastle- Northeastern Crook- Including the cities of Clareton, Aladdin, Keyhole Reservoir, Moorcroft, Wright, Newcastle, Upton, Pine Haven, Hulett, Osage, Rochelle, Colony, Beulah, and Devils Tower 1146 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM MDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Newcastle, Northeastern Crook, Southern Campbell, Western Crook, and Weston County Plains. * WHEN...From 2 AM to 8 AM MDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ SDZ002-012>014-027-030>032-041>044-046-047-049-073-075>078-200900- /O.NEW.KUNR.FR.Y.0004.260520T0600Z-260520T1400Z/ Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-Southern Foothills-Custer Co Plains-Pennington Co Plains-Haakon-Western Fall River-Northern Oglala Lakota-Northern Jackson-Bennett- Mellette-Todd-Tripp-Southern Meade Co Plains-Eastern Fall River- Southern Oglala Lakota-Southern Jackson-Southern Perkins- Including the cities of Union Center, Kadoka, Folsom, Porcupine, Caputa, Cedar Butte, Tuthill, Colome, Belle Fourche Reservoir, Belle Fourche, Long Valley, Shadehill, Winner, Hamill, Manderson, Bison, Glad Valley, Philip, Milesville, Rockyford, South Eagle Butte, Midland, Batesland, Smithwick, Oral, Vale, Ardmore, Prairie City, Edgemont, Wanblee, Cherry Creek, New Underwood, Usta, Quinn, Rumford, Pine Ridge, Dupree, Sharps Corner, Box Elder, Potato Creek, Norris, Ideal, Zeona, Mud Butte, Wasta, Newell, Faith, Howes, Red Owl, Mission, Saint Francis, Oelrichs, Opal, Scenic, Parmelee, Oglala, Fruitdale, Hot Springs, Harrington, Cottonwood, Allen, Wall, Kyle, Witten, Martin, Ellsworth AFB, Belvidere, Wood, Elm Springs, Meadow, White River, Provo, Angostura Reservoir, Wounded Knee, Hoover, White Owl, Interior, Enning, Lemmon, Sorum, and Rosebud 1146 AM MDT Tue May 19 2026 /1246 PM CDT Tue May 19 2026/ ...FROST ADVISORY IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/ TONIGHT TO 8 AM MDT /9 AM CDT/ WEDNESDAY... * WHAT...Temperatures as low as 33 may result in frost formation. * WHERE...Portions of northwestern, south central, and southwestern South Dakota. * WHEN...From midnight MDT /1 AM CDT/ tonight to 8 AM MDT /9 AM CDT/ Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$  786 WWUS73 KABR 191755 NPWABR URGENT - WEATHER MESSAGE National Weather Service Aberdeen SD 1255 PM CDT Tue May 19 2026 SDZ004>011-016>023-034>037-051-200400- /O.EXT.KABR.FZ.W.0001.260520T0600Z-260520T1300Z/ Campbell-McPherson-Brown-Marshall-Roberts-Walworth-Edmunds-Day- Potter-Faulk-Spink-Clark-Codington-Grant-Hamlin-Deuel-Sully- Hughes-Hyde-Hand-Buffalo- Including the cities of Sisseton, Herreid, Miller, Aberdeen, Ipswich, Hayti, Pierre, Eureka, Faulkton, Redfield, Watertown, Milbank, Onida, Britton, Mobridge, Highmore, Clear Lake, Webster, Clark, Gettysburg, and Fort Thompson 1255 PM CDT Tue May 19 2026 ...FREEZE WARNING NOW IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures from 28 to 32 degrees expected. * WHERE...Portions of central, north central, and northeast South Dakota. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MNZ039-046-200400- /O.NEW.KABR.FR.Y.0004.260520T0600Z-260520T1300Z/ Traverse-Big Stone- Including the cities of Ortonville and Wheaton 1255 PM CDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 33 degrees will result in frost formation. * WHERE...Big Stone and Traverse Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ SDZ003-015-033-045-048-200400- /O.NEW.KABR.FR.Y.0004.260520T0600Z-260520T1300Z/ Corson-Dewey-Stanley-Jones-Lyman- Including the cities of Isabel, Murdo, Fort Pierre, McIntosh, and Kennebec 1255 PM CDT Tue May 19 2026 /1155 AM MDT Tue May 19 2026/ ...FROST ADVISORY IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 8 AM CDT /7 AM MDT/ WEDNESDAY... * WHAT...Temperatures from 33 to 35 degrees will result in frost formation. * WHERE...Jones, Lyman, Stanley, Corson, and Dewey Counties. * WHEN...From 1 AM CDT /midnight MDT/ to 8 AM CDT /7 AM MDT/ Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ TMT