Extreme Heat Warning

Locations Affected

Springfield, IL ∙ Peoria, IL ∙ Champaign, IL ∙ Decatur, IL ∙ Bloomington, IL ∙ Normal, IL ∙ Villa Grove, IL ∙ Berlin, IL ∙ Sainte Marie, IL ∙ Morrisonville, IL

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 301 PM CDT Tue Jun 30 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... * WHAT...Dangerously hot conditions with heat index values 105 to 110. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...Until midnight CDT Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. 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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