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June 10, 2026: Derecho Produces Widespread Wind Damage Across Northern Illinois
June 11, 2026: Tornado Outbreak, Including Multiple Strong Tornadoes Across Northern Illinois and Northwest Indiana

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Isolated Severe Storms Possible Tuesday

Severe Storms & Flooding Rains Wednesday

Scattered thunderstorms are likely Tuesday afternoon, with a threat for isolated severe thunderstorms capable of producing damaging winds and large hail. The greatest coverage of storms will be generally east of the I-39 corridor.

The potential exists for severe thunderstorms capable of producing large, damaging hail, destructive thunderstorm winds, and tornadoes Wednesday. In addition, thunderstorms will be capable of producing torrential rainfall and flash flooding. It is still a couple days away and the precise hazards and greatest threat areas may shift some.