National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

39°F

4°C

Humidity 64%
Wind Speed N 15 G 21 mph
Barometer 30.06 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 22 Mar 9:15 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: Mostly clear, with a low around 29. North wind 8 to 16 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. North northeast wind around 7 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. South wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. South southeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 68. South wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 68 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. South southeast wind around 8 mph, with gusts as high as 17 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 29. North wind 8 to 16 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 51. North northeast wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 59. South wind 6 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South southeast wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 68. South wind 6 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 50. South southeast wind around 8 mph, with gusts as high as 17 mph.
Thursday
A 30 percent chance of rain after 1pm. Mostly sunny, with a high near 80.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
Last Update:
8:46 pm CDT Mar 22, 2026
Forecast Valid:
9pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation