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

Fire Weather Concerns West; Thunderstorms in the Upper Midwest

Dry and breezy conditions will enhance fire weather concerns across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this Friday afternoon into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

66°F

19°C

Humidity 95%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 10 Sep 9:35 pm CDT
Extended Forecast for

Chillicothe IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86. South southwest wind 3 to 7 mph.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62. East northeast wind 5 to 7 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. Calm wind.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 67. Light and variable wind.
Saturday
Partly sunny, with a high near 86. South southwest wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 63. Light and variable wind.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62. East northeast wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 70.
Tuesday
Showers likely after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 63.
Wednesday
Showers likely. Partly sunny, with a high near 78.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64.
Thursday
A chance of showers. Partly sunny, with a high near 79.
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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:
6:01 pm CDT Sep 10, 2026
Forecast Valid:
9pm CDT Sep 10, 2026-6pm CDT Sep 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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