Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >
Overview During the afternoon of July 29th a supercell developed north of Kadoka, moved east along Interstate 90 toward Murdo, then turned southeast into Mellette and Tripp counties. The storm moved over the town of Winner, where it did extensive damage with winds exceeding 80 mph. Shortly thereafter, the storm quickly dissipated. |
![]() Winner, SD Courtesy of Alan Klein |
Wind
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Winner, SD Courtesy of John Hall |
Winner, SD Courtesy of Alan Klein |
Winner, SD Courtesy of Brody Stengler |
Winner, SD Courtesy John Hall |
Hail
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Winner, SD Courtesy of John Hall |
Radar
Storm Reports
...MAXIMUM OBSERVED WINDS SORTED BY MAGNITUDE... LOCATION MAX WIND COMMENTS MPH 10 WNW Philip SD 65 632 PM 7/30/2024 3 E Philip SD 63 656 PM 7/30/2024 11 W Milesville SD 60 545 PM 7/30/2024 9 SE Mud Butte SD 57 315 PM 7/30/2024 3 W Lemmon SD 55 344 PM 7/30/2024 2 SW Bridger SD 51 552 PM 7/30/2024 ...MAXIMUM HAIL SIZE SORTED BY MAGNITUDE... LOCATION MAX SIZE COMMENTS IN/S/ 8 ESE Saint Francis SD 1.75 430 PM 7/30/2024 12 S Faith SD 1.75 449 PM 7/30/2024 10 WNW Philip SD 1.50 632 PM 7/30/2024 7 SE Saint Francis SD 1.25 433 PM 7/30/2024
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