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

57°F

14°C

Humidity 53%
Wind Speed E 15 G 20 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 20 May 9:54 pm CDT
Extended Forecast for

Washington ILSimilar City Names

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Northeast wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 70. East wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 49. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers likely after 1pm. Mostly cloudy, with a high near 68. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 1am. Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 76. East wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 45. Northeast wind 8 to 13 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 70. East wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Increasing clouds, with a low around 49. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Friday
Showers likely after 1pm. Mostly cloudy, with a high near 68. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely before 1am. Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 76. East wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 56.
Memorial Day
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
A chance of showers. Partly sunny, with a high near 81.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington ILSimilar City Names
 40.69°N 89.44°W (Elev. 728 ft)
Last Update:
10:36 pm CDT May 20, 2026
Forecast Valid:
10pm CDT May 20, 2026-6pm CDT May 27, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation