Severe Tornado Outbreak Threatens Chicago Area with Level 4 Risk
Severe Tornado Outbreak Threatens Chicago Area with Level 4 Risk
US · Published Jun 12, 2026
The Chicago area is under a Tornado Watch until 9 p.m. CDT on Thursday, with a High Wind Warning in effect until 4 p.m. CDT. The National Weather Service (NWS) has upgraded the region to a Level 4 out of 5 risk for severe storms, marking the highest threat level since July
Multiple tornadoes have already been reported, including a large and dangerous tornado near Streator, Illinois, causing significant structural damage. Baseball-sized hail and damaging winds up to 60 mph have also been observed. A rare tornado emergency was issued earlier in LaSalle County, underscoring the severity of the situation. The NWS warns of the potential for EF-4 and EF-5 strength tornadoes, with the greatest risk window between 4 p.m. and 8 p.m. CDT. A Flood Watch is also in effect for the area until 11 p.m. CDT.

Why It's Important?

Residents in the Chicago area, particularly in the western suburbs, face a heightened risk of violent tornadoes, damaging winds, and large hail. The storms have already caused significant damage in areas like Streator, Illinois, where major structural damage has been reported. Power outages are widespread, with nearly 200,000 customers affected as of Thursday morning. The severe weather also poses risks to transportation, with a ground stop issued at O'Hare International Airport. Flooding is another concern, as heavy rainfall accompanies the storms. The NWS emphasizes the importance of being prepared to seek shelter immediately if a tornado warning is issued.

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