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

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

66°F

19°C

Humidity 70%
Wind Speed Vrbl 6 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 13 Sep 8:54 am CDT
Extended Forecast for

Peoria IL

  • Today

    Today: Scattered showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 75. North wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 57. North northeast wind around 7 mph. Chance of precipitation is 10%.

    Low: 57 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 78. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 78 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. South southeast wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 88. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 65. North northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 80. East northeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers before 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 75. North wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 57. North northeast wind around 7 mph. Chance of precipitation is 10%.
Monday
Increasing clouds, with a high near 78. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 72. South southeast wind 14 to 17 mph, with gusts as high as 25 mph.
Tuesday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 88. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. North northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 80. East northeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 84.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 67.
Friday
A chance of showers. Mostly sunny, with a high near 81.
Friday Night
A chance of showers. Partly cloudy, with a low around 63.
Saturday
A chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Peoria IL
 40.74°N 89.61°W (Elev. 686 ft)
Last Update:
9:16 am CDT Sep 13, 2026
Forecast Valid:
9am CDT Sep 13, 2026-6pm CDT Sep 19, 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