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

44°F

7°C

Humidity 84%
Wind Speed W 6 mph
Barometer 29.66 in
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 6 Jan 2:55 pm CST
Extended Forecast for

Lacon IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 46. West wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 46 °F

    Cloudy

  • 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.

    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

Detailed Forecast

This Afternoon
Cloudy, with a high near 46. West wind 8 to 11 mph, with gusts as high as 18 mph.
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.
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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lacon IL
 41.02°N 89.39°W (Elev. 515 ft)
Last Update:
2:52 pm CST Jan 6, 2026
Forecast Valid:
3pm CST Jan 6, 2026-6pm CST Jan 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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