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Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

41°F

5°C

Humidity 53%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Apr 10:35 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

Freeze Warning April 20, 01:00am until April 20, 08:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost after 3am. Otherwise, clear, with a low around 30. North northeast wind 3 to 6 mph.

    Low: 30 °F

    Clear then
    Frost

  • Monday

    Monday: Widespread frost before 7am. Otherwise, sunny, with a high near 60. Calm wind becoming south 5 to 7 mph in the morning.

    High: 60 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. South wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. South wind 5 to 8 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Breezy.

    High: 81 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 59. Breezy. Chance of precipitation is 80%.

    Low: 59 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
Widespread frost after 3am. Otherwise, clear, with a low around 30. North northeast wind 3 to 6 mph.
Monday
Widespread frost before 7am. Otherwise, sunny, with a high near 60. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 46. South wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 56. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 80. South wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 81. Breezy.
Thursday Night
Showers and possibly a thunderstorm. Low around 59. Breezy. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 71.
Friday Night
A chance of showers. Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 66.
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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:
10:36 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation