Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

46°F

8°C

Humidity 70%
Wind Speed S 9 mph
Barometer 29.96 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 17 Feb 1:35 am CST
Extended Forecast for

Delavan IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. South southeast wind around 8 mph, with gusts as high as 17 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 5pm.  Cloudy, with a high near 61. South southeast wind 7 to 17 mph, with gusts as high as 34 mph.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly between midnight and 3am.  Cloudy, then gradually becoming partly cloudy, with a low around 50. Breezy, with a south southeast wind 14 to 21 mph becoming southwest after midnight. Winds could gust as high as 39 mph.

    Low: 50 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 67. West southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Southwest wind around 6 mph becoming southeast after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers after noon.  Partly sunny, with a high near 67. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before midnight.  Partly cloudy, with a low around 33. West wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 33 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. South southeast wind around 8 mph, with gusts as high as 17 mph.
Tuesday
A 20 percent chance of showers after 5pm. Cloudy, with a high near 61. South southeast wind 7 to 17 mph, with gusts as high as 34 mph.
Tuesday Night
A 40 percent chance of showers, mainly between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 50. Breezy, with a south southeast wind 14 to 21 mph becoming southwest after midnight. Winds could gust as high as 39 mph.
Wednesday
Sunny, with a high near 67. West southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 43. Southwest wind around 6 mph becoming southeast after midnight.
Thursday
A 50 percent chance of showers after noon. Partly sunny, with a high near 67. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 33. West wind 10 to 15 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan IL
 40.37°N 89.55°W (Elev. 600 ft)
1:31 am CST Feb 17, 2026
1am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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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