The Chicago area is under an extreme heat warning until very late Monday night. Temperatures during the day Monday are expected to climb near the record for June 23 of 97 degrees. Heat index values — a combo of temps and humidity — could be as high as 101.

According to the National Weather Service, oppressive levels of heat and humidity will stick around through Monday afternoon, with highs expected in the mid 90s and heat indices topping out at 105 degrees.