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.

Partly Cloudy

48°F

9°C

Humidity 65%
Wind Speed W 6 mph
Barometer 30.07 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 9 Jan 1:35 pm CST
Extended Forecast for

Lacon IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. Northwest wind 3 to 8 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Rain likely after midnight, mixing with snow after 5am. Mostly cloudy, with a low around 33. Light and variable wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm, then a chance of snow after 3pm. High near 39. West northwest wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. West northwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. Northwest wind 3 to 8 mph.
Tonight
Rain likely after midnight, mixing with snow after 5am. Mostly cloudy, with a low around 33. Light and variable wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
Rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm, then a chance of snow after 3pm. High near 39. West northwest wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 20. West northwest wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 34. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 24. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 45. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lacon IL
 41.02°N 89.39°W (Elev. 515 ft)
Last Update:
1:17 pm CST Jan 9, 2026
Forecast Valid:
1pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation