Active Weather Alerts
Heat Advisory
Issued: 2:44 PM Sep. 4, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT /11 PM EDT/ THIS EVENING... * WHAT...Peak heat index values this afternoon of 100 to locally 110 degrees. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 10 PM CDT /11 PM EDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses especially after several days of dangerous heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider altering outdoor plans. If outdoors for prolonged periods of time, wear lightweight and loose fitting clothing. Take action when you see symptoms of heat exhaustion and heat stroke. &&
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