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

69°F

21°C

Humidity 23%
Wind Speed SW 9 mph
Barometer 29.71 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 27 Feb 3:55 pm CST
Extended Forecast for

4 Miles WNW Castleton IL

Red Flag Warning February 27, 04:13pm until February 27, 06:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning February 27, 04:13pm until February 27, 06:00pm

    NOW until 6:00pm Fri

    Red Flag Warning

  • Tonight

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. North northeast wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 16 mph.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. North wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 38. Northeast wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 38 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22. East wind around 8 mph, with gusts as high as 17 mph.

    Low: 22 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 43. East southeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 43 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of rain after midnight. Cloudy, with a low around 33. East southeast wind around 7 mph, with gusts as high as 16 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely. Cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West wind 5 to 11 mph becoming north after midnight. Winds could gust as high as 23 mph.
Saturday
Mostly cloudy, with a high near 46. North northeast wind 5 to 11 mph becoming east in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 21. North wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 38. Northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. East wind around 8 mph, with gusts as high as 17 mph.
Monday
Mostly cloudy, with a high near 43. East southeast wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
A 50 percent chance of rain after midnight. Cloudy, with a low around 33. East southeast wind around 7 mph, with gusts as high as 16 mph.
Tuesday
Rain likely. Cloudy, with a high near 46. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 57.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
Rain likely. Cloudy, with a high near 60.
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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:
3:37 pm CST Feb 27, 2026
Forecast Valid:
4pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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