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 with Haze

37°F

3°C

Humidity 81%
Wind Speed NE 6 mph
Barometer 30.16 in
Dewpoint 31°F (-1°C)
Visibility 5.00 mi
Wind Chill32°F (0°C)
Last update 4 Mar 5:55 am CST
Extended Forecast for

4 Miles WNW Castleton IL

  • Today

    Today: A 30 percent chance of showers, mainly between 9am and 5pm. Patchy fog before noon. Otherwise, cloudy, with a high near 49. East northeast wind 5 to 8 mph, with gusts as high as 16 mph.

    High: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Patchy fog. Otherwise, cloudy, with a low around 45. East wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 57. Light and variable wind becoming northwest around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 47. Calm wind becoming south southeast 5 to 8 mph after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 76. South southwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 46. South southwest wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 57. West northwest wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly between 9am and 5pm. Patchy fog before noon. Otherwise, cloudy, with a high near 49. East northeast wind 5 to 8 mph, with gusts as high as 16 mph.
Tonight
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Patchy fog. Otherwise, cloudy, with a low around 45. East wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 57. Light and variable wind becoming northwest around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 47. Calm wind becoming south southeast 5 to 8 mph after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Friday
Showers and possibly a thunderstorm. High near 76. South southwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers. Low around 46. South southwest wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 57. West northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 73.
Monday Night
A chance of showers. Mostly clear, with a low around 56.
Tuesday
Showers likely. Mostly cloudy, with a high near 72. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
Last Update:
5:06 am CST Mar 4, 2026
Forecast Valid:
6am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation