* WHAT...Heat index values up to 105.
* WHERE...Portions of northwest Illinois and east central and
northeast Iowa.
* WHEN...Until 7 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt
the heat at times.
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.
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.
Start Time
9/2/2026 8:14 PMEnd Time
9/3/2026 4:15 AM