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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Castleton IL

Wind Advisory December 10, 12:00am until December 10, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain likely before 5am, then a chance of rain and snow. Cloudy, with a low around 31. Breezy, with a south southwest wind 17 to 23 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 31 °F

    Breezy. Rain
    Likely then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a northwest wind 15 to 24 mph, with gusts as high as 47 mph.

    High: 33 °F⇓

    Breezy.
    Chance Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Cloudy, with a low around 22. Southeast wind 5 to 7 mph becoming northeast after midnight.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 28. North northeast wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 13.

    High: 13 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -7.

    Low: -7 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely before 5am, then a chance of rain and snow. Cloudy, with a low around 31. Breezy, with a south southwest wind 17 to 23 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a northwest wind 15 to 24 mph, with gusts as high as 47 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
A 50 percent chance of snow. Cloudy, with a low around 22. Southeast wind 5 to 7 mph becoming northeast after midnight.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 28. North northeast wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 8. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 13.
Saturday Night
Partly cloudy, with a low around -7.
Sunday
Sunny and cold, with a high near 7.
Sunday Night
Partly cloudy, with a low around -4.
Monday
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castleton IL
 41.12°N 89.71°W (Elev. 768 ft)
Last Update:
4:21 pm CST Dec 9, 2025
Forecast Valid:
7pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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