Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

40°F

4°C

Humidity 56%
Wind Speed SE 13 G 18 mph
Barometer 30.27 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Apr 1:15 am CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Overnight

    Overnight: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 39. Southeast wind around 11 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 72 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 52. South wind 10 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm.  Mostly sunny, with a high near 70. West wind around 7 mph, with gusts as high as 15 mph.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after 10pm.  Low around 49. Light and variable wind becoming east southeast 5 to 7 mph in the evening. Winds could gust as high as 16 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm.  Mostly cloudy, with a high near 61. North wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. North northeast wind around 6 mph becoming east after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 39. Southeast wind around 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 52. South wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 70. West wind around 7 mph, with gusts as high as 15 mph.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after 10pm. Low around 49. Light and variable wind becoming east southeast 5 to 7 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 61. North wind 7 to 9 mph, with gusts as high as 16 mph.
Friday Night
Partly cloudy, with a low around 41. North northeast wind around 6 mph becoming east after midnight.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 78. Breezy.
Sunday Night
Showers likely. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Mostly cloudy, with a high near 80. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
1:26 am CDT Apr 8, 2026
1am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
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