Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Light Rain

73°F

23°C

Humidity 89%
Wind Speed S 13 mph
Barometer 29.88 in
Dewpoint 69°F (21°C)
Visibility 3.00 mi
Last update 20 Jul 2:15 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 3pm.  Patchy smoke before 4pm. Mostly sunny, with a high near 89. South southwest wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 72. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers before 7am.  Sunny, with a high near 84. West northwest wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 84 °F

    Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. North wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. North wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Patchy smoke before 4pm. Mostly sunny, with a high near 89. South southwest wind 8 to 10 mph, with gusts as high as 16 mph.
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers before 7am. Sunny, with a high near 84. West northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 60. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 76. North wind 7 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 55. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. Calm wind.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
1:26 pm CDT Jul 20, 2026
2pm CDT Jul 20, 2026-6pm CDT Jul 26, 2026
 
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