Alertes en vigueurJefferson

What: Dangerously hot conditions with heat index values of 105 to 110 degrees.
Where: Portions of south central and southwest Illinois and central, east central, and southeast Missouri.
When: Until 9 PM CDT this evening.
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.