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.

Mostly Cloudy

69°F

21°C

Humidity 90%
Wind Speed E 6 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 3:54 am CDT
Extended Forecast for

Peoria Heights IL

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 79. Northeast wind 3 to 6 mph.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 66. Calm wind. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 80. Northwest wind 5 to 9 mph, with gusts as high as 17 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Northwest wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming north around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 79. Northeast wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 63. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 66. Calm wind. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 80. Northwest wind 5 to 9 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 62. Northwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 78. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peoria Heights IL
 40.76°N 89.55°W (Elev. 440 ft)
Last Update:
3:36 am CDT Aug 20, 2026
Forecast Valid:
4am CDT Aug 20, 2026-6pm CDT Aug 26, 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