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.

Overcast

62°F

17°C

Humidity 54%
Wind Speed E 14 G 24 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 May 9:54 pm CDT
Extended Forecast for

Peoria Heights IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. East northeast wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 71. East wind around 10 mph, with gusts as high as 21 mph.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly between 8pm and 1am. Mostly cloudy, with a low around 55. East northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 77. North northeast wind around 5 mph becoming light and variable.

    High: 77 °F

    Mostly Cloudy

  • 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. Light and variable wind.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. East northeast wind 7 to 10 mph, with gusts as high as 22 mph.
Friday
A 20 percent chance of showers after 3pm. Mostly cloudy, with a high near 71. East wind around 10 mph, with gusts as high as 21 mph.
Friday Night
A 40 percent chance of showers, mainly between 8pm and 1am. Mostly cloudy, with a low around 55. East northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Saturday
Mostly cloudy, with a high near 77. North northeast wind around 5 mph becoming light and variable.
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. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Memorial Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
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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:
9:36 pm CDT May 21, 2026
Forecast Valid:
10pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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