Extreme Heat Warning

Locations Affected

Springfield, IL ∙ Peoria, IL ∙ Champaign, IL ∙ Decatur, IL ∙ Bloomington, IL ∙ Normal, IL ∙ Stoy, IL ∙ Mount Auburn, IL ∙ West Union, IL ∙ Green Valley, IL

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 608 AM CDT Sat Sep 5 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 106 degrees. * WHERE...All of of central, east central, southeast, and west central Illinois. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

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