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.

Fair

61°F

16°C

Humidity 42%
Wind Speed W 5 mph
Barometer 29.63 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 7 Nov 4:55 pm CST
Extended Forecast for

Chillicothe IL

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Rain, mainly after noon. High near 49. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Slight Chance
    Rain then
    Rain

  • Saturday Night

    Saturday Night: Rain before midnight, then a chance of rain and snow. Low around 28. North wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 36. North northwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Northwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. West wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 16 mph.

    Low: 25 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Saturday
Rain, mainly after noon. High near 49. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain before midnight, then a chance of rain and snow. Low around 28. North wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday
Mostly sunny, with a high near 36. North northwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 23. Northwest wind around 11 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 39. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 25. West wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 16 mph.
Veterans Day
Partly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IL
 40.91°N 89.49°W (Elev. 472 ft)
Last Update:
3:16 pm CST Nov 7, 2025
Forecast Valid:
5pm CST Nov 7, 2025-6pm CST Nov 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation