526 WUUS53 KFSD 071227 SVRFSD IAC059-143-MNC063-105-071315- /O.NEW.KFSD.SV.W.0215.260807T1227Z-260807T1315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 727 AM CDT Fri Aug 7 2026 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Northern Osceola County in northwestern Iowa... Northwestern Dickinson County in northwestern Iowa... Western Jackson County in southwestern Minnesota... Southeastern Nobles County in southwestern Minnesota... * Until 815 AM CDT. * At 726 AM CDT, severe thunderstorms were located along a line extending from near Worthington to 7 miles southeast of Rushmore, moving east at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Severe thunderstorms will be near... Worthington around 730 AM CDT. Brewster and Round Lake around 735 AM CDT. Other locations in the path of these severe thunderstorms include Lakefield. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4340 9515 4345 9586 4374 9568 4378 9505 TIME...MOT...LOC 1226Z 268DEG 34KT 4365 9565 4353 9571 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JH