Active AlertsBuffington Harbor Beach, IN

What: Dangerously hot conditions with peak afternoon heat index values of 100 to 110 degrees.
Where: Northern and central Illinois and northwest Indiana.
When: Until midnight CDT Thursday Night.
Impacts: Heat related illnesses increase significantly during extreme heat and high humidity events.

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.