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

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

15°F

-9°C

Humidity 68%
Wind Speed NW 9 mph
Barometer 30.50 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 23 Feb 4:55 am CST
Extended Forecast for

Chillicothe IL

  • Overnight

    Overnight: A chance of flurries. Mostly cloudy, with a low around 14. Wind chill values between 2 and 7. North northwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 14 °F

    Chance
    Flurries

  • Monday

    Monday: A chance of flurries before noon. Mostly sunny, with a high near 30. Wind chill values between 2 and 12. North northwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 30 °F

    Chance
    Flurries

  • Monday Night

    Monday Night: Increasing clouds, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 16 mph.

    Low: 19 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 32 mph.

    High: 47 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West northwest wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. West northwest wind 5 to 9 mph, with gusts as high as 17 mph.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 26. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 40.

    High: 40 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of flurries. Mostly cloudy, with a low around 14. Wind chill values between 2 and 7. North northwest wind around 11 mph, with gusts as high as 24 mph.
Monday
A chance of flurries before noon. Mostly sunny, with a high near 30. Wind chill values between 2 and 12. North northwest wind 6 to 13 mph, with gusts as high as 24 mph.
Monday Night
Increasing clouds, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 47. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 32 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West northwest wind 8 to 10 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 41. West northwest wind 5 to 9 mph, with gusts as high as 17 mph.
Wednesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 26. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 60%.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Partly sunny, with a high near 40.
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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:
3:38 am CST Feb 23, 2026
Forecast Valid:
5am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation