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.

CHICAGO (WLS) -- The Chicago area will be undergoing another day of extreme heat Monday. A National Weather Service Extreme Hear Warning will remain in effect for Cook County through Monday, expiring at midnight. An Extreme Heat Warning is also in effect for Kenosha, which is set to expire at 7 p.m.