Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Mostly Cloudy

28°F

-2°C

Humidity 67%
Wind Speed W 14 G 21 mph
Barometer 29.93 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 20 Feb 5:15 pm CST
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: Partly cloudy, with a low around 21. West northwest wind 7 to 15 mph, with gusts as high as 24 mph.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. West northwest wind 8 to 15 mph, with gusts as high as 21 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Scattered flurries after midnight.  Mostly cloudy, with a low around 19. Wind chill values between 4 and 14. Northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Partly sunny, with a high near 29. Wind chill values between 4 and 14. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 31 mph.

    High: 29 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Calm wind becoming south around 6 mph after midnight.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. West northwest wind 7 to 15 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 36. West northwest wind 8 to 15 mph, with gusts as high as 21 mph.
Saturday Night
Scattered flurries after midnight. Mostly cloudy, with a low around 19. Wind chill values between 4 and 14. Northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 29. Wind chill values between 4 and 14. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Mostly cloudy, with a low around 15. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 31. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 17. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
3:17 pm CST Feb 20, 2026
5pm CST Feb 20, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database