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

49°F

9°C

Humidity 61%
Wind Speed NE 8 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 May 2:54 am CDT
Extended Forecast for

Peoria IL

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Northeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. East wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. East northeast wind around 10 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 68. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Cloudy, with a low around 56. East northeast wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 78. West wind 5 to 7 mph.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Northeast wind around 9 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 70. East wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 53. East northeast wind around 10 mph, with gusts as high as 22 mph.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 68. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Friday Night
A 50 percent chance of showers. Cloudy, with a low around 56. East northeast wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 78. West wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 58. Light and variable wind.
Sunday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 59.
Memorial Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A chance of showers. Partly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peoria IL
 40.74°N 89.61°W (Elev. 686 ft)
Last Update:
2:55 am CDT May 21, 2026
Forecast Valid:
3am CDT May 21, 2026-6pm CDT May 27, 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