National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

10°F

-12°C

Humidity 67%
Wind Speed N 3 mph
Barometer 30.35 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 7 Dec 9:15 pm CST
Extended Forecast for

Chillicothe IL

  • Tonight

    Tonight: Increasing clouds, with a low around 8. Wind chill values between zero and 5. North wind around 6 mph becoming calm after midnight.

    Low: 8 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 26. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 28 by 5am. South wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 20 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41. Southwest wind around 10 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 33. South wind 11 to 18 mph becoming west after midnight. Winds could gust as high as 32 mph.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 38. West northwest wind 10 to 18 mph, with gusts as high as 32 mph.

    High: 38 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. West northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 17 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of snow. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 8. Wind chill values between zero and 5. North wind around 6 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 26. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a temperature rising to around 28 by 5am. South wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly cloudy, with a high near 41. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33. South wind 11 to 18 mph becoming west after midnight. Winds could gust as high as 32 mph.
Wednesday
Mostly cloudy, with a high near 38. West northwest wind 10 to 18 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly cloudy, with a low around 19. West northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 17 mph.
Thursday
A 50 percent chance of snow. Mostly cloudy, with a high near 28.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 18.
Friday Night
Mostly cloudy, with a low around -1.
Saturday
Partly sunny and cold, with a high near 10.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Mostly sunny, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IL
 40.92°N 89.52°W (Elev. 522 ft)
Last Update:
8:22 pm CST Dec 7, 2025
Forecast Valid:
9pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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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