Extreme Heat Warning
Status
Event Continued Active alertStart Time
Tue 06/30/2026 04:01 PM EDTEnd Time
Fri 07/03/2026 01:00 AM EDTSignificance
WarningImpacts
High impact
Locations Affected
Springfield, IL ∙ Peoria, IL ∙ Champaign, IL ∙ Decatur, IL ∙ Bloomington, IL ∙ Normal, IL ∙ Villa Grove, IL ∙ Berlin, IL ∙ Sainte Marie, IL ∙ Morrisonville, ILFull 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.
Technical Header
ILZ027>031-036>038-040>057-061>063-066>068-071>073-011000- /O.CON.KILX.XH.W.0001.000000T0000Z-260703T0500Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass- Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas- Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford- Clay-Richland-Lawrence- Including the cities of Greenup, Olney, Beardstown, Springfield, Lincoln, Petersburg, Winchester, Lacon, Taylorville, Danville, Tuscola, Marshall, Rushville, Havana, Toulon, Clinton, Normal, Paris, Lawrenceville, Monticello, Galesburg, Bloomington, Charleston, Robinson, Peoria, Flora, Shelbyville, Mattoon, Jacksonville, Sullivan, Canton, Champaign, Newton, Effingham, Decatur, Pekin, Eureka, and Urbana 301 PM CDT Tue Jun 30 2026