National Weather Service United States Department of Commerce


Thunderstorms developed across mainly western and central Wisconsin on Wednesday, August 11th, 2021. Some storms were severe, most notably in Monroe County, WI where two tornadoes and 1" hail occurred. One tornado (EF1) destroyed a barn and snapped stands of hardwood trees in the area.  A second tornado (EF0) formed before the 1st one dissipated and damaged trees and crops slightly northeast of the original one.  Damage from both tornadoes was sporadic. Terrain in the area made it a challenge to survey a consistent path. Overall, the worst damage, rated EF1, was found near the initial touchdown site.


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