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

Hazardous Weather Conditions

Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Delavan IL

  • Today

    Today: Partly sunny, with a high near 76. North northeast wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. North northeast wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light east wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South southwest wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Southwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79. Northwest wind 3 to 7 mph.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 76. North northeast wind 8 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 54. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79. Light east wind.
Tuesday Night
Mostly cloudy, with a low around 59. Calm wind becoming south southeast around 5 mph after midnight.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South southwest wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 62. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 79. Northwest wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
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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:
1:26 am CDT Jun 22, 2026
Forecast Valid:
6am CDT Jun 22, 2026-6pm CDT Jun 28, 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