Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fog/Mist

58°F

14°C

Humidity 94%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 56°F (13°C)
Visibility 4.00 mi
Last update 3 Aug 6:55 am CDT
Extended Forecast for

Chillicothe IL

  • Today

    Today: Sunny, with a high near 81. East wind 5 to 9 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. East wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light east southeast wind.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light south southeast wind.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. East wind 5 to 9 mph.
Tonight
Mostly clear, with a low around 59. East wind around 6 mph.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 64. Calm wind.
Tuesday
Mostly sunny, with a high near 83. Light east southeast wind.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Mostly sunny, with a high near 86. Light south southeast wind.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IL
 40.91°N 89.49°W (Elev. 472 ft)
6:40 am CDT Aug 3, 2025
7am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database