Chicago heat index expected to eclipse 100 degrees Tuesday

The risk of severe storms is ending but a few stragglers could continue this morning. 

A Flash Flood Warning is in effect for the city and northern Cook County northwest through the Rockford area until 5:30. 

Then, it’s all about the heat and humidity with a heat advisory in effect noon to 8 p.m. Highs reach the mid/upper 90s with heat indexes between 100-110 degrees.  

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The next round of strong to severe storms arrives toward evening with damaging straight-line winds and torrential downpours possible. Tornados are not likely in today’s set up.  

Tomorrow won’t be as warm with mid 80s, likely cooler lakeside. 

Once again there will be a threat for strong to severe storms, with a nod toward areas well south of Chicago as being most likely for that.  The generally-warm and unsettled pattern will continue through Friday.