Active Weather Alerts
Extreme Heat Warning
Issued: 7:24 PM Jun. 30, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/ THURSDAY NIGHT... * WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until midnight CDT /1 AM EDT/ Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Dangerous heat expected to persist through Thursday. Thunderstorms may begin to bring some relief from the heat for portions of northern Illinois by Thursday afternoon or evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. &&
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