National Weather Service United States Department of Commerce

Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Overview

On June 4, 2020, severe thunderstorms brought very large hail and damaging winds to portions of northeastern Wyoming and western South Dakota. Hail of tennis ball to baseball sized was observed from near Spearfish to portions of Rapid City, with hail larger than baseballs observed south of Faith. Winds over 70 mph damaged structures northwest of Spearfish and north of Ellsworth AFB. 

 

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