What is the current weather threat in Illinois?

Several Illinois counties are under a tornado watch until 11 p.m. tonight, with an enhanced risk for severe weather including EF3 tornadoes, damaging winds, and flash flooding.

When is the severe weather expected in Illinois?

Two rounds of potentially severe thunderstorms are possible, with the first round between 3 p.m. and 7 p.m., and the second round developing from late evening into the overnight hours.

What is the maximum tornado intensity possible in Illinois?

The maximum intensity for possible tornadoes has been increased to EF3 strength.

Home / Weather / Illinois Braces for EF3 Tornado Threat

Illinois Braces for EF3 Tornado Threat

11 Mar

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Summary

Tornado watch issued for several Illinois counties until 11 p.m.
Enhanced risk for severe weather including strong tornadoes is present.
EF3 tornado strength possible, with damaging winds and flash flooding.

Several Illinois counties are currently under a tornado watch, issued by the National Weather Service and effective until 11 p.m. tonight, March 10. Central Illinois is experiencing an enhanced risk for severe weather, with areas north of the I-72 corridor facing a level 3 out of 5 risk. Two rounds of potentially severe thunderstorms are anticipated today and tonight.

The first round of storms, expected between 3 p.m. and 7 p.m., carries a risk of strong tornadoes, large hail, and damaging winds. The Storm Prediction Center has updated the forecast to indicate a maximum tornado intensity of EF3 strength. Damaging wind gusts are the primary concern for later storms, though isolated tornadoes remain possible. Pockets of flash flooding are also anticipated due to heavy rainfall rates overwhelming urban drainage systems.

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