Stanley storm history

The South Dakota State University mesonet station seven miles southwest of Hayes recorded a peak wind gust of 76 mph. Over 100 customers lost power due to infrastructure damage.

The South Dakota Department of Transportation Mesonet station 12 miles east of Hayes measured a wind gust of 62 mph (54 kts).

Stanley County Emergency Manager reports that Bad River Road has water over it in multiple locations and that residents were advised not to travel across parts of the county. The Bad River river gauge at Fort Pierre would go into flood at 1230 CST, cresting at 24.14 or 3.14 feet …

The Stanley County Emergency Manager reports water over the roadway along US-14/SD-34 5 miles west of Hayes.

Tennis-ball size hail was reported five miles south-southwest of Hayes.

The South Dakota Department of Transportation mesonet station 13 miles north northwest of Sansarc recorded a peak wind gust of 87 mph associated with the remnants a thunderstorm. The heat burst would also cause the temperature to jump from 74 degrees to 91 degrees and the dewpoin…

A trained spotter reported 3 to 4 inch deep water over the roadway on highway 14 in Fort Pierre.

Emergency management reported several campers and travel trailers had been damaged or overturned due to thunderstorm wind gusts approaching 80 mph.

A caller stated that six 20 by 20 foot doors were blown in at a local construction company shop.

Emergency management reported damage to grain bins at a local agricultural service.

The public estimated thunderstorm wind gusts of 70 to 80 mph was responsible for knocking down Cottonwood tree limbs.

The public estimated that thunderstorm wind gusts reached an estimated 65 mph.