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.

Overcast

23°F

-5°C

Humidity 78%
Wind Speed SW 7 mph
Barometer 30.10 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 2 Feb 12:55 am CST
Extended Forecast for

Chillicothe IL

  • Overnight

    Overnight: Patchy snow and freezing rain before 2am, then patchy freezing rain between 2am and 4am. Cloudy, with a low around 20. South southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Patchy Wintry
    Mix

  • Monday

    Monday: Mostly sunny, with a high near 31. West northwest wind 5 to 8 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 31. Calm wind becoming north around 6 mph in the afternoon.

    High: 31 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Light north wind.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 29. Light northwest wind.

    High: 29 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy snow and freezing rain before 2am, then patchy freezing rain between 2am and 4am. Cloudy, with a low around 20. South southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 31. West northwest wind 5 to 8 mph.
Monday Night
Mostly cloudy, with a low around 19. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 31. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 13. Light north wind.
Wednesday
Sunny, with a high near 29. Light northwest wind.
Wednesday Night
Partly cloudy, with a low around 17. Calm wind.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 37.
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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:
12:36 am CST Feb 2, 2026
Forecast Valid:
1am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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