Extreme Heat Watch
Source: U.S. National Weather Service
Start
12:00 PM
Monday, July 21
End
7:00 PM
Thursday, July 24
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 108 possible. * WHERE...Portions of south central, southwest, and west central Illinois and northeast Missouri. * WHEN...From Tuesday afternoon through Thursday evening. * 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. &&
