Large hail, damaging winds hit western South Dakota Tuesday

August 12, 2026
RAPID CITY, S.D. – Another round of severe weather was reported Tuesday night with damaging winds and hail being reported from storms. Storms fired off late in the afternoon and brought large hail to the Rockerville and Hermosa areas. Numerous reports were received by the weather service of hail on the roads in the area along with damaged vehicles. Storms then moved out on to the plains of western South Dakota where a wind gust of 102 mph was reported near Cactus Flats. In Oglala, there were multiple public reports and photos of baseball size hail to 3-inch hail with windows smashed out of vehicles and homes. Roof damage also reported. It was also reported numerous vehicles and school buses were severely damaged at the Loneman School, where the start of school year will be delayed. To the north, strong storms hit portions of Harding and Butte counties. Officials say wires down in Harding County and Harding Rd was blocked and closed from Highway 20 to Gilbert Rd. There were numerous power outages across the western half of Harding County. In the Castle Rock area of Butte County, there are reports of trees down and a portion of a barn roof was torn off. There were also wires down on Highway 168 in the area. Share via: Facebook Twitter LinkedIn More
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