Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Mostly Cloudy

55°F

13°C

Humidity 78%
Wind Speed SW 12 G 17 mph
Barometer 29.46 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 18 Feb 4:15 am CST
Extended Forecast for

4 Miles WNW Castleton IL

Red Flag Warning February 18, 10:00am until February 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  • Overnight

    Overnight: A chance of sprinkles before 5am.  Partly cloudy, with a low around 50. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 32 mph.

    Low: 50 °F

    Chance
    Sprinkles and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 66. Breezy, with a west wind 17 to 24 mph, with gusts as high as 37 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 40. West southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers likely after noon.  Partly sunny, with a high near 66. East southeast wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Partly cloudy, with a low around 33. Breezy, with a south wind 10 to 15 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 30 mph.

    Low: 33 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 40 °F

    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of sprinkles before 5am. Partly cloudy, with a low around 50. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 66. Breezy, with a west wind 17 to 24 mph, with gusts as high as 37 mph.
Wednesday Night
Increasing clouds, with a low around 40. West southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 18 mph.
Thursday
Showers likely after noon. Partly sunny, with a high near 66. East southeast wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of showers. Partly cloudy, with a low around 33. Breezy, with a south wind 10 to 15 mph becoming west 16 to 21 mph after midnight. Winds could gust as high as 30 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 22. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
3:36 am CST Feb 18, 2026
4am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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