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.

Overcast

41°F

5°C

Humidity 46%
Wind Speed SW 6 mph
Barometer 29.60 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Feb 8:35 pm CST
Extended Forecast for

Chestnut IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West northwest wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before 7pm, then a chance of snow. Mostly cloudy, with a low around 26. Northwest wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 50%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 47. East wind around 8 mph becoming west southwest in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. South southwest wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. South southwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 45. West northwest wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
A chance of rain before 7pm, then a chance of snow. Mostly cloudy, with a low around 26. Northwest wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 47. East wind around 8 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 29. South southwest wind around 6 mph.
Friday
Sunny, with a high near 61. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 34. South southwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A chance of rain and snow after noon. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of rain and snow. Partly sunny, with a high near 41.
Monday Night
A chance of rain. Mostly cloudy, with a low around 28.
Tuesday
A chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chestnut IL
 40.05°N 89.19°W (Elev. 623 ft)
Last Update:
5:37 pm CST Feb 24, 2026
Forecast Valid:
8pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation