National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

42°F

6°C

Humidity 78%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 10 Nov 10:55 pm CST
Extended Forecast for

Delavan IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 60. South southeast wind 6 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47. North wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. North northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43. North northwest wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Calm wind becoming south southeast around 5 mph after midnight.
Veterans Day
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 60. South southeast wind 6 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 39. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 47. North wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 29. North northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Friday
Sunny, with a high near 43. North northwest wind 7 to 11 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan IL
 40.39°N 89.54°W (Elev. 640 ft)
Last Update:
10:41 pm CST Nov 10, 2026
Forecast Valid:
11pm CST Nov 10, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation