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.

Partly Cloudy

65°F

18°C

Humidity 80%
Wind Speed SW 3 mph
Barometer 30.11 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Jun 7:15 am CDT
Extended Forecast for

Chillicothe IL

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Today

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. East wind 5 to 7 mph, with gusts as high as 16 mph.

    High: 77 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62. East wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. Light and variable wind becoming southeast around 6 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 80. Light south southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 9pm and 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. East wind 5 to 7 mph, with gusts as high as 16 mph.
Friday Night
Mostly cloudy, with a low around 62. East wind 3 to 7 mph. Winds could gust as high as 15 mph.
Saturday
Partly sunny, with a high near 82. Light and variable wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 91.
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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:
6:36 am CDT Jun 24, 2026
Forecast Valid:
7am CDT Jun 24, 2026-6pm CDT Jun 30, 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