Active AlertsCape Girardeau, MO

What: Daily peak heat index values from 100 to 108 degrees.
Where: Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri.
When: Until 8 PM CDT /9 PM EDT/ Friday.
Impacts: Prolonged duration hot temperatures and high humidity may cause heat illnesses.
Additional Details: Heat index values above 100 degrees may continue into Saturday. Several warm record overnight low temperatures in the mid-70s is possible this week.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.