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Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Overview

June 27, 2017 - Thunderstorms developed across northeastern Wyoming in the afternoon and strengthened as they moved into South Dakota. The storms produced very strong winds, which caused damage across the area. The Rapid City Airport measured a gust of 75 mph while the Custer County airport recorded a gust of 69 mph, one of the strongest ever at that location. Some hail accompanied these storms, with quarter-sized the largest reported. Below are photos of tree damage, the radar loop, and the list of storm reports. 

Rapid Valley Rapid Valley South of Custer South of Custer
Rapid Valley Rapid Valley South of Custer South of Custer

 

Downed tree 1 E Downtown Rapid City Tree damage in Custer Tree damage in Custer Tree damage in west Rapid
1 E Downtown Rapid City Custer Custer West Rapid
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