Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fog/Mist

66°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 62°F (17°C)
Visibility 2.50 mi
Last update 19 Jul 6:55 am CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Today

    Today: Areas of smoke. Mostly sunny, with a high near 83. East wind around 6 mph.

    High: 83 °F

    Areas Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 64. East wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Patchy Smoke

  • Monday

    Monday: Patchy smoke before 1pm. Mostly sunny, with a high near 87. Light south southeast wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 87 °F

    Patchy Smoke

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 72. South southwest wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Sunny, with a high near 87. Northwest wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 64. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. North northeast wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Areas of smoke. Mostly sunny, with a high near 83. East wind around 6 mph.
Tonight
Patchy smoke. Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.
Monday
Patchy smoke before 1pm. Mostly sunny, with a high near 87. Light south southeast wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 87. Northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
Clear, with a low around 64. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 79. North northeast wind 7 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
6:36 am CDT Jul 19, 2026
7am CDT Jul 19, 2026-6pm CDT Jul 25, 2026
 
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Additional Resources

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