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.

Mostly Cloudy

74°F

23°C

Humidity 74%
Wind Speed NE 7 mph
Barometer 30.08 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Jun 10:55 am CDT
Extended Forecast for

Chestnut IL

  • Today

    Today: Partly sunny, with a high near 82. East northeast wind around 7 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. East wind 3 to 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 85. East wind 3 to 5 mph.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South southeast wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. South southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 84. Southwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 82. East northeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 66. East wind 3 to 6 mph.
Monday
Partly sunny, with a high near 85. East wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 68. South southeast wind around 5 mph.
Tuesday
Sunny, with a high near 89. South southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 84. Southwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67.
Juneteenth
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 91.
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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:
11:12 am CDT Jun 15, 2025
Forecast Valid:
11am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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