National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

A Few Clouds

81°F

27°C

Humidity 72%
Wind Speed S 5 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 1 Sep 11:54 pm CDT
Extended Forecast for

Creve Coeur IL

Heat Advisory September 2, 12:25am until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 12:25am until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Overnight

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South southwest wind around 6 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind 5 to 7 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Light south wind.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Light and variable wind.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 76. South southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 78. South southwest wind around 6 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 77. Light south wind.
Friday
Sunny and hot, with a high near 96. Light and variable wind.
Friday Night
Partly cloudy, with a low around 74. Calm wind.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 69.
Labor Day
Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Creve Coeur IL
 40.66°N 89.62°W (Elev. 449 ft)
Last Update:
12:16 am CDT Sep 2, 2026
Forecast Valid:
12am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation