National Weather Service United States Department of Commerce

Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Overview

Scattered showers and thunderstorms developed across eastern Iowa, northwest Illinois, and northeast Missouri during the afternoon and evening of Monday, September 3, as an upper level disturbance tracked across the region. One thunderstorm intensified into a supercell, and produced a few tornados as it tracked across Benton and Linn counties during the late afternoon and early evening.  Another storm produced a tornado on the west northwest side of Cedar Rapids shortly after 9 PM CDT. 

Additional Event Summaries:


Image
WPC Surface Fronts/Pressure Loop
nws logo Media use of NWS Web News Stories is encouraged!
Please acknowledge the NWS as the source of any news information accessed from this site.
nws logo