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

64°F

18°C

Humidity 84%
Wind Speed S 8 G 18 mph
Barometer 29.78 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 9 Mar 11:35 pm CDT
Extended Forecast for

Hartsburg IL

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 47. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    T-storms
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers, mainly before 1pm. Temperature falling to around 44 by 5pm. Southwest wind 11 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 58 °F⇓

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. North northwest wind 6 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 49. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41. South wind 10 to 18 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. South southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 47. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers, mainly before 1pm. Temperature falling to around 44 by 5pm. Southwest wind 11 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. North northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 49. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41. South wind 10 to 18 mph, with gusts as high as 31 mph.
Friday
Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Cloudy, with a high near 58. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartsburg IL
 40.25°N 89.44°W (Elev. 600 ft)
Last Update:
11:31 pm CDT Mar 9, 2026
Forecast Valid:
11pm CDT Mar 9, 2026-6pm CDT Mar 16, 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