Excessive Heat Warning, Cooling Centers Open In Homer Glen, Lockport

HOMER GLEN-LOCKPORT, IL — An excessive heat warning has been issued for Homer Glen and Lockport, as heat index values up to 110 are possible, according to the National Weather Service.

Temperatures could hit the "century mark," reaching nearly 100 degrees Tuesday for the first time on this date in a decade, and it could feel even hotter thanks to the humidity. Temperatures are likely to be more than 20 degrees hotter than usual this time of year.

An excessive heat warning is in effect until 8 p.m. Wednesday. While temperatures in the 80s are typical for mid-June in the Chicago area, Tuesday could bring temperatures just shy of 100 degrees, according to AccuWeather.

The weather service's forecast calls for a high of 98 on Tuesday and a high of 96 on Wednesday.

Cooling centers are available for residents in Lockport and Homer Glen, if needed:

• Lockport Police Department, 1212 S. Farrell Road, available 24 hours. After 4:30 p.m., use the phone in the lobby to contact an officer to open the facility.
• Central Square Building, 222 E. Ninth St., open from 8 a.m. to 4:30 p.m.
• Homer Glen Village Hall, 14240 W. 151st St., open during business hours from 8 a.m. to 4:30 p.m. Monday through Friday or by request.

You can find a full list of cooling centers in Will County here.

Heat-related illness can develop in less than 30 minutes of strenuous outdoor activity. To stay safe, the National Weather Service advises:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances.

Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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 911.