Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Thunderstorm

72°F

22°C

Humidity 84%
Wind Speed SE 9 mph
Barometer 29.92 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 11 Aug 11:35 am CDT
Extended Forecast for

Lacon IL

Severe T-storm Watch until August 11, 02:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 11, 02:00pm

    NOW until 2:00pm Tue

    Severe T-storm Watch

  • Today

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight.  Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Calm wind becoming south southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am.  Partly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers.  High near 81. Calm wind becoming east northeast around 5 mph in the morning.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 66. Calm wind becoming east northeast around 5 mph after midnight.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 79. East wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 70. Calm wind.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Calm wind becoming south southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers. High near 81. Calm wind becoming east northeast around 5 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 79. East wind 6 to 9 mph, with gusts as high as 16 mph.
Friday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Sunday
A chance of showers. Partly sunny, with a high near 84.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Lacon IL
 41.02°N 89.39°W (Elev. 515 ft)
10:36 am CDT Aug 11, 2026
11am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
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Additional Resources

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