National Weather Service United States Department of Commerce

Unsettled Across Much of the U.S.

Heavy rain in the Mid-South could produce flash flooding. Rain will expand over the Lower and Central Mississippi Valley and across the Mid-Atlantic and Northeast through mid-week. Accumulating snow continues in the northern tier and 4-Corners. Pacific Northwest mountain and low elevation snow returns mid-week. Read More >

Overview

A line of severe thunderstorms moved across southern Minnesota during the early morning hours of September 17th. The bulk of the storm reports and damage occurred between 2-4 AM CDT. A damage survey conducted on Friday found 4 EF-0 QLCS tornadoes occurred (3 within the southern Twin Cities metro). Received reports of numerous areas with straight-line wind damage [downed tree branches, uprooted trees, and structural damage (significant damage did occur to Hudson, WI's library)]. 

 
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