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

45°F

7°C

Humidity 72%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Nov 7:35 pm CST
Extended Forecast for

Mc Lean IL

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: A 30 percent chance of showers, mainly before 3pm. Mostly sunny, with a high near 61. South southeast wind 6 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. North northwest wind 10 to 15 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47. North wind 11 to 17 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 7 to 13 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43. North northwest wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 23 °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
Increasing clouds, with a low around 42. Calm wind becoming south southeast around 5 mph after midnight.
Veterans Day
A 30 percent chance of showers, mainly before 3pm. Mostly sunny, with a high near 61. South southeast wind 6 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 38. North northwest wind 10 to 15 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 47. North wind 11 to 17 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 29. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 43. North northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 23. North northwest wind 5 to 7 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 49.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean IL
 40.31°N 89.17°W (Elev. 699 ft)
Last Update:
7:11 pm CST Nov 10, 2026
Forecast Valid:
7pm CST Nov 10, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation