National Weather Service United States Department of Commerce

Winter Weather Conditions for the West; Severe Weather Potential for the South on Tuesday

A strong cold front will track across the Intermountain West today accompanied by strong winds, heavy snow and elevated fire weather conditions for portions of the western High Plains. This storm is forecast to intensify on Tuesday across the Plains. Moisture will quickly advance northward across the middle and lower Mississippi Valley where tornadoes and damaging winds are expected. Read More >

Overview

Fast Facts:

  • Numerous storms moved south through northern Illinois Tuesday evening, producing scattered downbursts of 35+ mph winds, and in isolated locations these reached to 50+ mph causing damage.
  • Downbursts are concentrated areas of rain and rain-cooled air from thunderstorms, and this more dense, cool air hits the grounds and rushes out, at times causing damage.
  • The thunderstorms also produced heavy rain resulting in localized flash flooding, including in parts of the Chicago and Rockford metro areas.   
Downburst
Animation from College of DuPage webcam showing downburst.
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Additional recaps can be found on the NWS Chicago Past Events Page
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