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Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Overview

On Friday, July 28th multiple rounds of thunderstorms moved through southern Wisconsin. Several surface boundaries provided sources of lift as the environment became more unstable. Initially supercells producing large hail around 2 inches in diameter and heavy rain impacted the area before a surging line of storms moved in from the northwest. 60 to 80 mph winds within the line resulted in tree damage across a large portion of the area.

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Radar from 6:13PM - 11:22PM July 28th, 2023
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