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.

Partly Cloudy

83°F

28°C

Humidity 51%
Wind Speed N 3 mph
Barometer 30.11 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 28 Aug 4:55 pm CDT
Extended Forecast for

Delavan IL

  • Tonight

    Tonight: Mostly clear, with a low around 62. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 84. South wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
Partly sunny, with a high near 84. South wind 5 to 9 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 70. South wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 90. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 6 to 9 mph, with gusts as high as 17 mph.
Monday
Sunny and hot, with a high near 95. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 76. South wind 6 to 8 mph, with gusts as high as 17 mph.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 93.
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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:
5:01 pm CDT Aug 28, 2026
Forecast Valid:
5pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation