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.

Light Rain

51°F

11°C

Humidity 88%
Wind Speed SE 7 mph
Barometer 30.05 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 10 Apr 3:35 am CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Low around 50. North wind around 7 mph becoming west. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 60. North northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. North wind 5 to 7 mph becoming east after midnight.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 62. East southeast wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 62. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 62 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Low around 50. North wind around 7 mph becoming west. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 60. North northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 39. North wind 5 to 7 mph becoming east after midnight.
Saturday
A 30 percent chance of showers after 1pm. Increasing clouds, with a high near 62. East southeast wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 55. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Showers likely after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph.
Monday
Partly sunny, with a high near 81.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 75.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 55.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
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:
3:37 am CDT Apr 10, 2026
Forecast Valid:
3am CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
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