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

46°F

8°C

Humidity 46%
Wind Speed NW 8 mph
Barometer 30.31 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 6 Apr 8:55 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. North northwest wind 8 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 47. Northeast wind around 9 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 32 mph.

    High: 69 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 53. South wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 53 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 71. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 71 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. South wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. North northwest wind 8 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 47. Northeast wind around 9 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 69. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 53. South wind 14 to 17 mph, with gusts as high as 26 mph.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 71. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. South wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 66.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55.
Sunday
A chance of showers. Mostly cloudy, with a high near 79.
Sunday Night
Showers likely. Mostly cloudy, with a low around 63.
Monday
Showers likely. Mostly cloudy, with a high near 80. Breezy.
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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:
8:06 pm CDT Apr 6, 2026
Forecast Valid:
9pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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