National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. 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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