Full Notification

* WHAT...Peak afternoon heat index values of 100 to 107 expected.

* WHERE...Central Cook, Northern Cook, and Southern Cook Counties.

* WHEN...From 10 AM Wednesday to 10 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* ADDITIONAL DETAILS...It will stifling in the city of Chicago, even at night. Heat indices will remain in the 90s through the evening hours Wednesday, only falling below 90 degrees for a few hours late Wednesday night into early Thursday morning.

* AFFECTED AREAS: NORTHERN COOK ... CENTRAL COOK ... SOUTHERN COOK

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Residents of the city of Chicago can call 3 1 1 to access city services, including seeking well being checks and for the location of the nearest cooling center.