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Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Thunderstorm Light Rain in Vicinity

66°F

19°C

Humidity 91%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 64°F (18°C)
Visibility 5.00 mi
Last update 14 Oct 12:35 am CDT
Extended Forecast for

Lacon IL

  • Overnight

    Overnight: Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 68. Northeast wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 56. East northeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers. High near 69. East wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am. Mostly cloudy, with a low around 45. Northwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 57. Northwest wind around 15 mph, with gusts as high as 31 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Overnight
Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 68. Northeast wind 3 to 7 mph. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 56. East northeast wind 6 to 8 mph, with gusts as high as 16 mph.
Thursday
Showers. High near 69. East wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Showers likely before 1am. Mostly cloudy, with a low around 45. Northwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 57. Northwest wind around 15 mph, with gusts as high as 31 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 34. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 60.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lacon IL
 41.02°N 89.39°W (Elev. 515 ft)
Last Update:
12:36 am CDT Oct 14, 2026
Forecast Valid:
12am CDT Oct 14, 2026-6pm CDT Oct 20, 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