743 WUUS53 KFSD 280710 SVRFSD SDC003-009-035-043-061-067-280815- /O.NEW.KFSD.SV.W.0127.260628T0710Z-260628T0815Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 210 AM CDT Sun Jun 28 2026 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Davison County in southeastern South Dakota... Aurora County in south central South Dakota... Bon Homme County in southeastern South Dakota... Douglas County in south central South Dakota... Western Hanson County in southeastern South Dakota... Hutchinson County in southeastern South Dakota... * Until 315 AM CDT. * At 209 AM CDT, severe thunderstorms were located along a line extending from near Aurora Center to near Armour to near Marty, moving northeast at 35 mph. The greatest threat of large hail will be in areas between Armour and Wagner. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Mesonet. At 1:52 AM CDT, a personal weather station reported a 58 mph wind gust 2.5 miles west-southwest of Pickstown. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Corsica, Stickney, and Delmont around 215 AM CDT. Other locations in the path of these severe thunderstorms include Parkston, Tripp, Mount Vernon, Dimock, Ethan, Mitchell, Kaylor, Milltown, Loomis, Scotland, Clayton and Alexandria. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for large hail and damaging winds. People outside should move immediately to shelter inside a strong building. Stay away from windows. && LAT...LON 4289 9811 4310 9811 4318 9807 4342 9871 4350 9871 4350 9880 4384 9879 4385 9796 4347 9763 4293 9764 4284 9815 TIME...MOT...LOC 0709Z 246DEG 31KT 4356 9860 4328 9832 4303 9838 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ JH