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.

Fair

78°F

26°C

Humidity 52%
Wind Speed W 6 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Sep 12:15 pm CDT
Extended Forecast for

Lacon IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 83. Southwest wind 3 to 5 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Cloudy, with a low around 61. South wind around 6 mph becoming light and variable. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 73. North northeast wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. North wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. North wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Light north northwest wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 83. Southwest wind 3 to 5 mph.
Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 61. South wind around 6 mph becoming light and variable. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 73. North northeast wind 6 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 56. North wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 74. North wind 5 to 8 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 52. Light north northwest wind.
Friday
Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 52.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 81.
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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:
11:41 am CDT Sep 23, 2025
Forecast Valid:
12pm CDT Sep 23, 2025-6pm CDT Sep 29, 2025
 
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