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.

Overcast

47°F

8°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 30.03 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Nov 10:35 am CST
Extended Forecast for

Castleton IL

  • Today

    Today: A 40 percent chance of rain after 11am. Cloudy, with a high near 50. Northeast wind around 7 mph, with gusts as high as 15 mph.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 32. North wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 32 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West southwest wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. West wind around 5 mph becoming light and variable in the afternoon.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 41. South wind 3 to 6 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Monday

    Monday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57. South southeast wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain then
    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

Today
A 40 percent chance of rain after 11am. Cloudy, with a high near 50. Northeast wind around 7 mph, with gusts as high as 15 mph.
Tonight
A 30 percent chance of rain, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 32. North wind 3 to 7 mph. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.
Saturday Night
Mostly clear, with a low around 35. West southwest wind 5 to 7 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 59. West wind around 5 mph becoming light and variable in the afternoon.
Sunday Night
Increasing clouds, with a low around 41. South wind 3 to 6 mph.
Monday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57. South southeast wind 6 to 10 mph, with gusts as high as 17 mph.
Monday Night
Rain. Low around 47. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of rain before noon. Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 42. Breezy.
Wednesday Night
Partly cloudy, with a low around 23.
Thanksgiving Day
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castleton IL
 41.12°N 89.71°W (Elev. 768 ft)
Last Update:
10:27 am CST Nov 21, 2025
Forecast Valid:
10am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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Additional Resources

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Chance of Precipitation