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Review of August 18, 2026 line of severe thunderstorms

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Isolated to Scattered Storms Continue

August 18 Damage Survey Results

Isolated to scattered showers and storms tonight will dissipate late. Then, Saturday afternoon, isolated storms in southwestern Wisconsin and scattered storms in southeastern Wisconsin will develop. No severe weather is expected at this time. A quiet rest of the weekend into Monday is then expected.

Damage surveys from the August 18 severe thunderstorms found multiple areas of 70-80 MPH straight line wind damage from western Washington County southeast into Waukesha County and the city of Milwaukee. One brief tornado was confirmed near the villages of Colgate and Richfield in southern Washington County, and was rated EF0 with maximum wind speeds of 80 MPH.