129 WUUS53 KFSD 250612 SVRFSD IAC119-141-143-167-250700- /O.NEW.KFSD.SV.W.0074.260525T0612Z-260525T0700Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 112 AM CDT Mon May 25 2026 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Southeastern Lyon County in northwestern Iowa... Southwestern Osceola County in northwestern Iowa... Northeastern Sioux County in northwestern Iowa... Northern O'Brien County in northwestern Iowa... * Until 200 AM CDT. * At 111 AM CDT, a severe thunderstorm was located over Matlock, or 7 miles north of Sheldon, moving southeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Sheldon and Ashton around 115 AM CDT. Sanborn around 120 AM CDT. Archer around 125 AM CDT. Melvin around 130 AM CDT. Other locations in the path of this severe thunderstorm include Primghar and Hartley. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Sioux Falls. && LAT...LON 4323 9601 4337 9593 4323 9539 4299 9552 TIME...MOT...LOC 0611Z 295DEG 26KT 4328 9590 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ IG