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

18°F

-8°C

Humidity 68%
Wind Speed S 10 mph
Barometer 30.00 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 5 Dec 9:15 am CST
Extended Forecast for

Chillicothe IL

  • Today

    Today: Mostly sunny, with a high near 31. Wind chill values between 4 and 14. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. South southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. Northwest wind 5 to 7 mph becoming calm in the morning.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 21. Calm wind becoming east northeast 5 to 7 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A 50 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 28. East northeast wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 28 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 2. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 2 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 23. Calm wind becoming south around 6 mph in the afternoon.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 31. Wind chill values between 4 and 14. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 24. South southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 30. Northwest wind 5 to 7 mph becoming calm in the morning.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 21. Calm wind becoming east northeast 5 to 7 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
A 50 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 28. East northeast wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 2. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 23. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 30.
Wednesday
A chance of rain. Mostly cloudy, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IL
 40.91°N 89.49°W (Elev. 472 ft)
Last Update:
8:51 am CST Dec 5, 2025
Forecast Valid:
9am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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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