Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

47°F

8°C

Humidity 91%
Wind Speed E 13 mph
Barometer 29.96 in
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 3 Apr 10:35 pm CDT
Extended Forecast for

Chillicothe IL

Flood Watch until April 4, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 4, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Tonight

    Low: 50 °F

    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers before 10am.  Mostly cloudy, with a temperature falling to around 49 by 5pm. West wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind around 7 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Northwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 50. East southeast wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers before 10am. Mostly cloudy, with a temperature falling to around 49 by 5pm. West wind 11 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 36. West wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 53. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 38. West wind around 7 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 53. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 28. Northwest wind 7 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 68. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49.
Friday
A chance of showers. Mostly cloudy, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IL
 40.91°N 89.49°W (Elev. 472 ft)
9:36 pm CDT Apr 3, 2026
10pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
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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