EF-1 Tornado Strikes Southern St. Clair County

ST. CLAIR COUNTY - A brief tornado with peak winds of 94 mph moved through rural parts of southern St. Clair County early March 11, 2026, damaging mainly trees and outbuildings, the National Weather Service survey crews in St. Louis have determined.

The EF-1 tornado hit rural areas near Marissa, Lenzburg, and St. Libory in St. Clair County.

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Survey crews said the tornado’s path length was 2.6 miles and its maximum width was 300 yards.

No injuries or fatalities were reported in the St. Clair County tornado, the weather service said.

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