UPDATE: A severe weather threat continues with a Severe Thunderstorm Watch issued for the area until midnight. Earlier, several Severe Thunderstorm Warnings were issued and a slight Tornado Warning in McHenry County.

Original story:

CHICAGO —  After some active weather early Tuesday morning, more is on the docket in the evening.

A Severe Thunderstorm Watch is in effect for Northern Illinois and Northwest Indiana until 8 p.m.

Expect partly to mostly cloudy skies with highs into the low to mid 90s with cooler temperatures along the lakefront.

Heat index values reached over 110 degrees for some locations. A Heat Advisory is in effect from noon until 8 p.m. Tuesday.

Some Chicagoans flocked to the beach to deal with the excessive heat.