08/30/2026
Heat Advisory issued August 30 at 12:27PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO
* WHAT...Heat index values of 100 to 105 expected, with morning low temperatures of 70 to 78 degrees, for several consecutive days.
* WHERE...Portions of south central, southwest, and west central Illinois
* WHEN...From noon Monday to 8 PM CDT Friday.
* IMPACTS...Hot temperatures and moderate humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.