BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 404 PM CDT Wed Jun 17 2026 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Southern Lake County in east central South Dakota... Northwestern Minnehaha County in southeastern South Dakota... Eastern Miner County in east central South Dakota... McCook County in southeastern South Dakota... Hanson County in southeastern South Dakota... * Until 445 PM CDT. * At 404 PM CDT, severe thunderstorms were located along a line extending from near Winfred to 6 miles southwest of Canova to Fulton, moving southeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Mesonet. Around 340 PM CDT, a 62 mph wind gust was reported 4 miles east southeast of Forestburg, SD. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Alexandria, Spencer In McCook County, Winfred, Canova, and Farmer around 410 PM CDT. Lake Herman State Park, Salem, Emery, and Orland around 415 PM CDT. Other locations in the path of these severe thunderstorms include Bridgewater, Canistota and Montrose. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4413 9748 4395 9689 4378 9690 4362 9708 4350 9741 4350 9761 4371 9797 4377 9797 4388 9770 TIME...MOT...LOC 2104Z 299DEG 38KT 4401 9741 4384 9762 4373 9782 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH
