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.

Overcast

59°F

15°C

Humidity 77%
Wind Speed N 7 mph
Barometer 30.16 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 20 May 12:55 am CDT
Extended Forecast for

Logan County Airport IL

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 52. North wind around 9 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 67. North northeast wind around 10 mph, with gusts as high as 21 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Northeast wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70. East wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East wind around 11 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 68. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 55. East northeast wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 16 mph.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 52. North wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 67. North northeast wind around 10 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 47. Northeast wind 7 to 11 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 70. East wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East wind around 11 mph, with gusts as high as 20 mph.
Friday
Showers, with thunderstorms also possible after 1pm. High near 68. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 55. East northeast wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 16 mph.
Saturday
Partly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 58.
Memorial Day
Partly sunny, with a high near 82.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Logan County Airport IL
 40.16°N 89.33°W (Elev. 591 ft)
Last Update:
11:31 pm CDT May 19, 2026
Forecast Valid:
1am CDT May 20, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation