Issued by the National Weather Service and archived by Claims Pages
EXPIRED6/23/2025 4:37:00 AM (UTC)Urgency: ExpectedSeverity: ModerateCertainty: Likely
6/23/2025 4:37:00 AM until 6/23/2025 2:45:00 PM
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
* WHAT...Peak afternoon heat indices of 100 to 105 degrees expected.
* WHERE...Portions of central, east central, north central, and
northeast Illinois and northwest Indiana.
* WHEN...Until midnight CDT /1 AM EDT/ tonight.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.