Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

73°F

23°C

Humidity 42%
Wind Speed SW 15 G 21 mph
Barometer 29.67 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 9 Mar 3:55 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Patchy fog before 11am.  Otherwise, partly sunny, with a high near 70. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am.  Low around 42. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely before 1pm.  Cloudy, with a temperature falling to around 41 by 5pm. North northwest wind 13 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 49. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after 1am.  Mostly cloudy, with a low around 40. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    Low: 40 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 70. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 42. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely before 1pm. Cloudy, with a temperature falling to around 41 by 5pm. North northwest wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 27. West northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday
Increasing clouds, with a high near 49. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 40. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Friday
Mostly cloudy, with a high near 52.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 53. Breezy.
Sunday Night
Mostly cloudy, with a low around 20. Blustery.
Monday
Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
3:36 pm CDT Mar 9, 2026
4pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
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Additional Resources

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