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Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

79°F

26°C

Humidity 77%
Wind Speed Calm
Barometer 29.94 in (1013.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 4 Sep 1:54 am CDT
Extended Forecast for

Peoria Heights IL

Extreme Heat Warning September 4, 02:30am until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 02:30am until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 75 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind 5 to 8 mph, with gusts as high as 16 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 74. Light south southwest wind.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. East northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. East northeast wind 5 to 8 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. East northeast wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 75. South wind around 6 mph.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind 5 to 8 mph, with gusts as high as 16 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 74. Light south southwest wind.
Saturday
Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming north 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70. East northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 86. East northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. East northeast wind 3 to 7 mph. Winds could gust as high as 15 mph.
Labor Day
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peoria Heights IL
 40.74°N 89.58°W (Elev. 755 ft)
Last Update:
2:16 am CDT Sep 4, 2026
Forecast Valid:
2am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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