National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

38°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Nov 12:55 am CST
Extended Forecast for

Lacon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 55. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. North northwest wind 5 to 8 mph, with gusts as high as 17 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 44. North wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 44 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. North northwest wind 6 to 9 mph, with gusts as high as 17 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. North northwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Calm wind.
Veterans Day
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 55. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 36. North northwest wind 5 to 8 mph, with gusts as high as 17 mph.
Thursday
Mostly cloudy, with a high near 44. North wind 8 to 11 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 27. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 42. North northwest wind 6 to 9 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 23. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 44.
Saturday Night
Clear, with a low around 23.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lacon IL
 41.02°N 89.39°W (Elev. 515 ft)
Last Update:
12:36 am CST Nov 11, 2026
Forecast Valid:
1am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation