Marginal risk of severe thunderstorms this Monday evening- Some severe thunderstorm warnings issued in north-central Illinois

UPDATE  5:30 PM CDT

A couple of thunderstorms have become severe to the west and southwest of Chicago in Lee County and  severe thunderstorm warnings will be in effect until 5:45 pm. The warnings are radar based with no severe weather reported at this time. Gusty thunderstorms  are currently moving  through De Kalb and into Kane County and could produce gusty winds, brief downpours and some hail.  The issuance of a severe thunderstorm watch is not anticipated at this time.  As the thunderstorm pulse in intensity, additional warnings  may be issued for counties in the western and central portions of the Chicago area through about 7 pm.

 

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Update 5PM CDT…

A few strong thunderstorms have developed in Lee County. Gusty winds and dime-sized hail could accompany these storms as they move east at 40 miles per hour. Walton and Amboy are potentially impacted locations until 5:30 PM CDT.

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Along and ahead of an approaching cold front, a wide band of showers and a few strong to severe thunderstorms will develop across northern Illinois this Monday evening. The National Storm Prediction Center has the westernmost sections of the Chicago area in a Marginal Risk for severe thunderstorms (dark-green-shaded area on the headlined map). Storms will be moving northeast 35 to 40 miles per hour with wind gusts in excess of 50 miles per hour and large damaging hail possible in the strongest storms.

After the sun goes down, showers and isolated thunderstorms should continue but weaken along and ahead of the cold front which is forecast to pass through Chicago around midnight.

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