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.

Fair

66°F

19°C

Humidity 87%
Wind Speed S 8 mph
Barometer 29.86 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 10 Mar 9:35 am CDT
Extended Forecast for

Chestnut IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. South wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 50. South wind 15 to 17 mph becoming west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 44 by 5pm. Breezy, with a west southwest wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 59 °F⇓

    Breezy.
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 51. West northwest wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 51 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 55. Breezy, with a southwest wind 16 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 32 mph.

    High: 55 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. South wind 11 to 17 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 50. South wind 15 to 17 mph becoming west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 44 by 5pm. Breezy, with a west southwest wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Increasing clouds, with a high near 51. West northwest wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 42. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.
Friday
Mostly cloudy, with a high near 55. Breezy, with a southwest wind 16 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 44.
Sunday
Rain. Mostly cloudy, with a high near 56. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 19. Blustery.
Monday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chestnut IL
 40.07°N 89.22°W (Elev. 623 ft)
Last Update:
9:36 am CDT Mar 10, 2026
Forecast Valid:
9am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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