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.

Overcast

47°F

8°C

Humidity 64%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 3 Mar 1:35 pm CST
Extended Forecast for

Lacon IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 3pm. Cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 9pm, then a slight chance of showers after 10pm. Mostly cloudy, with a low around 34. Calm wind becoming east northeast around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 50. East northeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 50%.

    High: 50 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Patchy fog. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely before noon. Mostly cloudy, with a high near 59. Calm wind becoming west 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind becoming southeast around 5 mph after midnight.

    Low: 44 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 74. South southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after midnight. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 3pm. Cloudy, with a high near 47. Calm wind.
Tonight
A slight chance of showers before 9pm, then a slight chance of showers after 10pm. Mostly cloudy, with a low around 34. Calm wind becoming east northeast around 6 mph after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 50. East northeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Showers. Patchy fog. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely before noon. Mostly cloudy, with a high near 59. Calm wind becoming west 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers and possibly a thunderstorm. High near 74. South southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, then showers and possibly a thunderstorm after midnight. Low around 52. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers before noon. Partly sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 68.
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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:
1:32 pm CST Mar 3, 2026
Forecast Valid:
1pm CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation