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Severe Storms Forecast for Chicago: Tornado Watch Issued

4/18/2026

26 2 Full Breakdown

Summary

Story summary

Severe storms are forecast for the Chicago area Friday night, with a tornado watch in effect through 8 p.m. and 11 p.m.
The National Weather Service warns of damaging winds up to 60 mph, large hail, and flash flooding along the Des Plaines River.
Storms are expected to begin around 5 p.m., move eastward, and reach Chicago by 9 p.m.
Residents should stay informed and prepared for severe weather.

History

Historical Context

The Great Chicago Fire ignited on October 8, 1871, likely due to a lantern knocked over in the O'Leary barn, and rapidly spread, fueled by strong winds and dry conditions. The disaster destroyed over 17,000 buildings, left 100,000 homeless, and resulted in approximately 300 deaths. In its aftermath, Chicago implemented new fire safety regulations, highlighting the city's ongoing vulnerability to extreme weather events.

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Story summary

Severe storms are forecast for the Chicago area Friday night, with a tornado watch in effect through 8 p.m. and 11 p.m.
The National Weather Service warns of damaging winds up to 60 mph, large hail, and flash flooding along the Des Plaines River.
Storms are expected to begin around 5 p.m., move eastward, and reach Chicago by 9 p.m.
Residents should stay informed and prepared for severe weather.

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