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.

Partly Cloudy

66°F

19°C

Humidity 72%
Wind Speed N 15 mph
Barometer 29.84 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 31 Mar 6:15 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 41. North northwest wind 10 to 17 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 50. East wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Temperature rising to around 55 by 5am. East wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F⇑

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 10am. High near 74. Breezy, with a south wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 47. Breezy, with a south southwest wind 15 to 20 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 47 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 77. Northwest wind 5 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 48. South southeast wind 14 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 58. Breezy.

    High: 58 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 41. North northwest wind 10 to 17 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 50. East wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Temperature rising to around 55 by 5am. East wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers, with thunderstorms also possible after 10am. High near 74. Breezy, with a south wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 47. Breezy, with a south southwest wind 15 to 20 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 77. Northwest wind 5 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 48. South southeast wind 14 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 58. Breezy.
Saturday Night
Mostly cloudy, with a low around 33. Breezy.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
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:
4:36 pm CDT Mar 31, 2026
Forecast Valid:
6pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation