How 90–100 MPH Winds Hit Walworth County on July 3, 2026

A powerful and devastating severe thunderstorm moved across Geneva Lake and Lake Geneva at the start of the Fourth of July holiday weekend. On July 3, 2026, a rapidly evolving line of thunderstorms produced estimated 90–100 mph winds, causing fatalities, injuries, and significant damage across parts of Walworth County. In this video, we break down how the storm developed, strengthened, and evolved step by step — from its early stages to the destructive winds that followed. Please keep everyone impacted by this storm in your thoughts and prayers. #severethunderstorm #WIsconsin #LakeGeneva #July4th #weather #meteorology