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Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

65°F

18°C

Humidity 53%
Wind Speed SE 8 mph
Barometer 30.03 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Oct 8:35 pm CDT
Extended Forecast for

Lacon IL

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Southeast wind around 6 mph becoming calm after midnight.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 62. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 62 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 87. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 69. South southwest wind around 8 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southwest wind 7 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Mostly clear, with a low around 59. Light north northeast wind.

    Low: 59 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. Southeast wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 81. Calm wind.
Sunday Night
Increasing clouds, with a low around 62. Calm wind becoming south southwest around 6 mph after midnight.
Columbus Day
Sunny, with a high near 87. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 69. South southwest wind around 8 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 84. Southwest wind 7 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A 40 percent chance of showers after 1am. Mostly clear, with a low around 59. Light north northeast wind.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 73.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 58.
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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:
7:36 pm CDT Oct 10, 2026
Forecast Valid:
8pm CDT Oct 10, 2026-6pm CDT Oct 17, 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