Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fog/Mist

49°F

9°C

Humidity 94%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 47°F (8°C)
Visibility 5.00 mi
Last update 5 Mar 10:55 am CST
Extended Forecast for

Chestnut IL

  • Today

    Today: Areas of fog before 3pm.  Otherwise, mostly cloudy, with a high near 60. West southwest wind 3 to 6 mph.

    High: 60 °F

    Areas Fog

  • Tonight

    Tonight: A 40 percent chance of rain after 3am.  Widespread fog, mainly before 3am.  Otherwise, mostly cloudy, with a low around 50. Calm wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 16 mph.

    Low: 50 °F

    Fog then
    Chance Rain
    and Fog

  • Friday

    Friday: Rain and thunderstorms likely before 10am, then a slight chance of showers after noon.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after midnight.  Low around 58. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Saturday

    Saturday: A 40 percent chance of showers before noon.  Mostly cloudy, with a temperature rising to near 62 by 9am, then falling to around 53 during the remainder of the day. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 62 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Areas of fog before 3pm. Otherwise, mostly cloudy, with a high near 60. West southwest wind 3 to 6 mph.
Tonight
A 40 percent chance of rain after 3am. Widespread fog, mainly before 3am. Otherwise, mostly cloudy, with a low around 50. Calm wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 16 mph.
Friday
Rain and thunderstorms likely before 10am, then a slight chance of showers after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers before noon. Mostly cloudy, with a temperature rising to near 62 by 9am, then falling to around 53 during the remainder of the day. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 36. West northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 62. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 74.
Monday Night
A 40 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 56.
Tuesday
Showers. Mostly cloudy, with a high near 72. Breezy.
Tuesday Night
Showers. Cloudy, with a low around 47. Breezy.
Wednesday
Showers likely. Mostly cloudy, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Chestnut IL
 40.05°N 89.22°W (Elev. 627 ft)
10:36 am CST Mar 5, 2026
11am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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