WHAT
Dangerously hot conditions with heat index values up to 105.
WHERE
In Illinois, Bureau, Putnam, Henry IL, and Whiteside Counties. In Iowa, Clinton County.
WHEN
Until 10 PM CDT this evening.
IMPACTS
Heat related illnesses increase significantly during extreme heat and high humidity events.
ADDITIONAL DETAILS
Thunderstorms and associated clouds may interrupt the heat at times today and especially Friday.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
