Some risk of severe T-storms across Chicago areas Monday/Monday night

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CHICAGO — The National Storm Prediction Center has included the entire Chicago area in a Slight to Marginal Risk of severe thunderstorms today and tonight. The main risk will be for damaging winds and heavy localized flood-producing downpours.

A  complex of thunderstorms over Iowa is expected to move east, perhaps spreading into our western into southern portions later this morning, bringing a Marginal Risk (a 5% chance of severe thunderstorms within 25 miles of a given location). These storms should weaken later this morning/early afternoon.

Then a cold front will approach our area from the northwest later tonight, accompanied and preceded by a wide band of strong to severe thunderstorms. Best chance of severe storms here will be along and north of Interstate-80 (a Slight Risk of severe storms depicting a 15% chance of severe storms within 25 miles of a given location). Severe storms should develop across Iowa and spread east across northern Illinois and southern Wisconsin this evening into the overnight hours.

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