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

51°F

11°C

Humidity 86%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 26 Oct 12:35 am CDT
Extended Forecast for

Lacon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 73. Light and variable wind.

    High: 73 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. East northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. South southeast wind 3 to 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. South southwest wind 5 to 8 mph, with gusts as high as 16 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Calm wind.
Monday
Mostly cloudy, with a high near 73. Light and variable wind.
Monday Night
Partly cloudy, with a low around 47. East northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 53. South southeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 75. South southwest wind 5 to 8 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 7 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 77.
Friday Night
A chance of showers. Mostly cloudy, with a low around 56.
Saturday
A chance of showers. Mostly cloudy, with a high near 73.
Saturday Night
Showers likely. Mostly cloudy, with a low around 55.
Sunday
A chance of showers. Mostly cloudy, with a high near 71.
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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 CDT Oct 26, 2026
Forecast Valid:
12am CDT Oct 26, 2026-6pm CST Nov 1, 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