Chicagoland weather radar shows strong thunderstorms developing with the storms furthest northeast in Kane County and some just starting to enter the northwest panhandle of Cook County at 10:50 a.m. with more severe storms forming at 11:10 a.m.
The line of instability seems to cut through northwest Cook County. Thunderstorms have developed in a line projecting into Cook County from the severe weather that is approaching in a line from Peoria to Kane County and ultimately through northwest Cook County.
Satellite images show clouds blowing up with convection in a line from Peoria to north Cook County, McHenry County and Lake County. Thunder is rumbling in Arlington Heights at 11:00 a.m.
There is a confirmed report of a tornado touchdown near Peoria.
A high of 67 degrees is expected today with temperatures dropping just after 1:00 p.m.
TODAY Sunrise: 6:46 AM Sunset: 4:28 PM
Showers and thunderstorms, mainly before 3pm. Some storms could be severe, with damaging winds. Temperature falling to around 53 by 5pm. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Cloudy, then gradually becoming partly cloudy, with a low around 38. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph.
Sunny, with a high near 42. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 28. West northwest wind 5 to 10 mph.
Tuesday Sunny, with a high near 46. Southwest wind 5 to 10 mph.
Partly cloudy, with a low around 33.
Partly sunny, with a high near 46.
A chance of showers. Mostly cloudy, with a low around 37.
A chance of showers. Mostly cloudy, with a high near 47.
A chance of rain. Cloudy, with a low around 35.
A chance of rain and snow. Mostly cloudy, with a high near 41.
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Partly sunny, with a high near 41.
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