Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Mostly Cloudy

72°F

22°C

Humidity 53%
Wind Speed E 3 mph
Barometer 30.27 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 31 Aug 11:15 am CDT
Extended Forecast for

Castleton IL

  • Today

    Today: Partly sunny, with a high near 78. East northeast wind 3 to 6 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80. Calm wind becoming east around 6 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Light east northeast wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Light east northeast wind.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 77. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 1am.  Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 78. East northeast wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 53. East wind around 5 mph.
Labor Day
Mostly sunny, with a high near 80. Calm wind becoming east around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 54. Light east northeast wind.
Tuesday
Sunny, with a high near 81. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 56. Calm wind.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Castleton IL
 41.12°N 89.71°W (Elev. 768 ft)
10:40 am CDT Aug 31, 2025
11am CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
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Additional Resources

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