The National Weather Service has issued a heat advisory from 11 a.m. to 9 p.m. Wednesday.
Temperatures are expected to climb to the 90-degree level today to around 100 degrees, with highs of around 100 to 104 degrees on Wednesday. Peak heat index readings will be between 100 and 105 degrees today and 103 and 108 degrees Wednesday.
If the current forecasts hold, then additional heat advisories and warning will likely be issued for Thursday and Friday, the weather service said.
Prolonged exposure to heat can be dangerous if precautions are not taken.
Residents should schedule strenuous outside work for the early morning or evening and are encouraged to take frequent breaks in the shade or air-conditioned areas. They should stay hydrated during the day and drink extra fluids when exercising or being outdoors.
The McHenry County cooling station is located at the Illinois Health and Human Services Building, 2215 Lake Shore Drive, Woodstock.
For information about cooling stations, call 815-338-0234.