Active AlertsDouglas

What: Daytime heat index values up to 105, only falling into the mid to upper 70s at night.
Where: Much of central, east central, southeast, and west central Illinois.
When: Until 7 PM CDT Thursday.
Impacts: Hot temperatures and high humidity may cause heat illnesses.

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.