Thursday Severe Storms for Chicago

By Dan DePodwin, Meteorologist
October 24, 2012; 4:40 AM
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As a storm system slices through the Midwest, severe thunderstorms are expected from Omaha to Chicago tonight into Thursday.

A potent disturbance ejecting from the Rockies will spread rain across the Dakotas and Midwest today. Meanwhile, unusually warm air will stream northward ahead of a cold front.

These ingredients will combine to spark intense thunderstorms tonight and tomorrow. While the wet and stormy weather should stay west of Chicago through tonight, storms can arrive later tomorrow afternoon and be strong to severe.

The commute home Thursday could turn treacherous. In particular, I-90, I-94, and I-55 could have slow traffic due to torrential downpours.

Strong winds high in the atmosphere and very cold air aloft will make damaging winds and large hail the main threats, although an isolated tornado cannot be ruled out.

After sunset, the threat should transition away from severe weather as a steady rain develops through the night. Drier and breezy weather should arrive by Friday.


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