National Weather Service United States Department of Commerce

Heat Wave Continues; Areas of Severe Thunderstorms and Heavy Rain through the Weekend

The prolonged and intense heat wave continues today for portions of the Ohio Valley and Mid-Atlantic, with relief expected by this weekend. There will be daily chances for severe thunderstorms and heavy rainfall in the northern Plains and Upper Midwest today through Sunday. Read More >

Overview

Severe thunderstorms moved east across northern South Dakota during the evening of August 9th and early morning hours of August 10th. These storms produced wind gusts up to 90 mph, large hail and heavy rainfall from Corson County eastward through Roberts County, SD and Traverse County, MN.

Locations of Hail and Wind Reports across the region during the evening of August 9 into the early morning hours of August 10.
Locations of Hail (H) and Wind (W) Reports across the region during the evening of August 9 into the early morning hours of August 10.
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