National Weather Service: Heat Index Could Hit 105 Degrees by Friday

The National Weather Service is warning residents to expect continued high temperatures, with hot and humid weather persisting through Friday.

Highs will be in the lower 90s in DuPage County on Wednesday and Thursday, with heat index values of near or above 100 degrees, according to the National Weather Service.

Friday could be the hottest day with, highs in the mid-90s and heat index values of 100-105 degrees.

Relief could come late Friday as a cold front approaches, bringing with it the possibility of showers and thunderstorms, according to the NWS.

Those in need of a cooling center may visit any of the following locations:

• Downers Grove Park District Recreation Center, 4500 Belmont Road: Monday through Friday, 8 a.m. to 8 p.m., and Saturday/Sunday, 8 a.m. to 3 p.m.

• Downers Grove Public Library, 1050 Curtiss St.: Monday through Friday, 9 a.m. to 9 p.m.; Saturday, 9 a.m. to 5 p.m.; and Sunday, 1 p.m. to 5 p.m.

• Lincoln Center, 935 Maple Ave.: Monday through Friday, 8 a.m. to 6 p.m., Saturday, 8 a.m. to noon

• Downers Grove Village Hall, 801 Burlington Ave: Monday through Friday, 8 a.m. to 5 p.m.

• Downers Grove Police Department, 825 Burlington Ave.: Monday through Friday, 8 a.m. to 5 p.m.

• Drink more fluids, specifically those that don't contain alcohol or large amounts of sugar. 

• Stay indoors, in an air-conditioned place, if possible. 

• Take a cool shower or bath.

• Wear lightweight, light-colored, loose-fitting clothes.

• Limit your outdoor activity to morning and evening hours, and cut down on exercise, if possible.