Blistering Heat: 105-Degree Heat Index, Storms Could Hit Chicago Area

ILLINOIS — The National Weather Service Chicago is warning of dangerously hot temperatures, with heat index values over 100 degrees Tuesday and Wednesday. On Tuesday, the heat index could reach more than 105 degrees.

After a potentially stormy Sunday, Monday will bring increasing heat and the chance of severe thunderstorms and damaging winds in the afternoon.

3 Women Dead At Chicago Senior Facility Amid Heat

The dangerously hot weather will start Tuesday, with a high of 97 degrees and a heat index around 105 degrees. Wednesday could potentially bring strong thunderstorms late in the day and a heat index over 100 degrees.

The heat is expected to break late in the week, the National Weather Service said. Temperatures on Thursday could hit 89 degrees, and Friday's forecast calls for a high of 84.

Stay Safe In The Heat

Heat-related illness can develop in less than 30 minutes of strenuous activity.

The NWS urges residents to limit strenuous outdoor activities and to minimize sun exposure. Near leave children or pets in unattended vehicles.

Residents should stay hydrated, with frequent breaks in air conditioning.

To keep yourself safe in extreme heat, ready.gov advises:

• Find air conditioning.
• Avoid strenuous activities.
• Watch for heat illness.
• Wear light clothing.
• Check on family members and neighbors.
• Drink plenty of fluids.
• Watch for heat cramps, heat exhaustion, and heat stroke.
• Never leave people or pets in a closed car.

Week Ahead Forecast

Sunday night: Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph.

Monday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. Partly sunny, with a high near 82. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Monday night: Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday: Mostly sunny and hot, with a high near 97. South southwest winds 10 to 15 mph, with gusts as high as 20 mph.

Tuesday night: Mostly clear, with a low around 80.

Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 96.

Wednesday night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Thursday: Mostly sunny, with a high near 89.

Thursday night: Mostly clear, with a low around 68.

Friday: Sunny, with a high near 84.

Friday night: Clear, with a low around 62.