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Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

58°F

14°C

Humidity 78%
Wind Speed E 5 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 9 Oct 12:54 am CDT
Extended Forecast for

Delavan IL

  • Overnight

    Overnight: Partly cloudy, with a low around 54. East southeast wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 84. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 84 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 83. South wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 83 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. East wind around 5 mph becoming light and variable.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. East southeast wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 84. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Friday Night
Clear, with a low around 61. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Increasing clouds, with a high near 83. South wind 8 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 59. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 77. East wind around 5 mph becoming light and variable.
Sunday Night
Mostly clear, with a low around 58. Light and variable wind.
Columbus Day
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 78.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 54.
Wednesday
A chance of showers. Mostly cloudy, with a high near 75.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan IL
 40.39°N 89.52°W (Elev. 659 ft)
Last Update:
12:36 am CDT Oct 9, 2026
Forecast Valid:
1am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation