WUUS53 KFSD 240431 SVRFSD SDC023-053-240515- /O.NEW.KFSD.SV.W.0245.260824T0431Z-260824T0515Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 1131 PM CDT Sun Aug 23 2026 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Central Charles Mix County in south central South Dakota... Southeastern Gregory County in south central South Dakota... * Until 1215 AM CDT. * At 1131 PM CDT, a severe thunderstorm was located 8 miles southwest of Platte, or 20 miles northwest of Lake Andes, moving southeast at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will be near... Geddes around 1145 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4325 9858 4300 9865 4300 9867 4316 9901 4340 9902 TIME...MOT...LOC 0431Z 313DEG 21KT 4328 9891 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ JH