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.

Light Rain

64°F

18°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 29.82 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 7:35 pm CDT
Extended Forecast for

4 Miles WNW Castleton IL

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm. Low around 62. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 79. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 64. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 75. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 11pm. Low around 62. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 79. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 75. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 84.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Castleton IL
 41.14°N 89.77°W (Elev. 676 ft)
Last Update:
7:36 pm CDT Apr 12, 2026
Forecast Valid:
7pm CDT Apr 12, 2026-6pm CDT Apr 19, 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