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

42°F

6°C

Humidity 82%
Wind Speed W 7 G 18 mph
Barometer 29.71 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Jan 3:55 pm CST
Extended Forecast for

Lacon IL

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, cloudy, with a low around 31. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 31 °F

    Cloudy then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 51. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 40. South wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers, mainly after noon. High near 55. South wind 9 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: 55 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 43. South wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 45. West wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 34. Northeast wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before noon, then a chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance Rain
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, cloudy, with a low around 31. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 51. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Increasing clouds, with a low around 40. South wind 8 to 10 mph, with gusts as high as 17 mph.
Thursday
Showers, mainly after noon. High near 55. South wind 9 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.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 43. South wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly cloudy, with a high near 45. West wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34. Northeast wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday
A chance of rain before noon, then a chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 40.
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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:
3:16 pm CST Jan 6, 2026
Forecast Valid:
4pm CST Jan 6, 2026-6pm CST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation