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Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

74°F

23°C

Humidity 50%
Wind Speed S 8 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Oct 10:54 am CDT
Extended Forecast for

Delavan IL

  • Today

    Today: Partly sunny, with a high near 82. South southeast wind around 9 mph, with gusts as high as 16 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Southeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 63. Calm wind becoming south around 6 mph in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Partly sunny through mid morning, then becoming sunny, with a high near 90. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 90 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 70. South southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 1am. Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 82. South southeast wind around 9 mph, with gusts as high as 16 mph.
Tonight
Partly cloudy, with a low around 53. Southeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 83. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 63. Calm wind becoming south around 6 mph in the evening.
Columbus Day
Partly sunny through mid morning, then becoming sunny, with a high near 90. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 70. South southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 86. West wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of showers after 1am. Mostly clear, with a low around 63.
Wednesday
Showers likely, mainly before 1pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
Showers likely. Partly sunny, with a high near 73.
Thursday Night
A chance of showers. Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan IL
 40.37°N 89.55°W (Elev. 600 ft)
Last Update:
11:36 am CDT Oct 10, 2026
Forecast Valid:
11am CDT Oct 10, 2026-6pm CDT Oct 16, 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