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. && $$ SDZ002-012>014-027-030>032-041>044-046-047-049-073-075>078-200900- /O.NEW.KUNR.FR.Y.0004.260520T0600Z-260520T1400Z/ Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-Southern Foothills-Custer Co Plains-Pennington Co Plains-Haakon-Western Fall River-Northern Oglala Lakota-Northern Jackson-Bennett- Mellette-Todd-Tripp-Southern Meade Co Plains-Eastern Fall River- Southern Oglala Lakota-Southern Jackson-Southern Perkins- Including the cities of Union Center, Kadoka, Folsom, Porcupine, Caputa, Cedar Butte, Tuthill, Colome, Belle Fourche Reservoir, Belle Fourche, Long Valley, Shadehill, Winner, Hamill, Manderson, Bison, Glad Valley, Philip, Milesville, Rockyford, South Eagle Butte, Midland, Batesland, Smithwick, Oral, Vale, Ardmore, Prairie City, Edgemont, Wanblee, Cherry Creek, New Underwood, Usta, Quinn, Rumford, Pine Ridge, Dupree, Sharps Corner, Box Elder, Potato Creek, Norris, Ideal, Zeona, Mud Butte, Wasta, Newell, Faith, Howes, Red Owl, Mission, Saint Francis, Oelrichs, Opal, Scenic, Parmelee, Oglala, Fruitdale, Hot Springs, Harrington, Cottonwood, Allen, Wall, Kyle, Witten, Martin, Ellsworth AFB, Belvidere, Wood, Elm Springs, Meadow, White River, Provo, Angostura Reservoir, Wounded Knee, Hoover, White Owl, Interior, Enning, Lemmon, Sorum, and Rosebud 1146 AM MDT Tue May 19 2026 /1246 PM CDT Tue May 19 2026/ ...FROST ADVISORY IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/ TONIGHT TO 8 AM MDT /9 AM CDT/ WEDNESDAY... * WHAT...Temperatures as low as 33 may result in frost formation. * WHERE...Portions of northwestern, south central, and southwestern South Dakota. * WHEN...From midnight MDT /1 AM CDT/ tonight to 8 AM MDT /9 AM CDT/ Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$