Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Rain

72°F

22°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 30.08 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Aug 6:35 am CDT
Extended Forecast for

Lacon IL

Flood Watch until August 15, 10:00am
Click here for hazard details and duration
...
  •  
    Flood Watch until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Today

    High: 84 °F

    Heavy Rain
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am.  Mostly cloudy, with a low around 73. Calm wind becoming west southwest around 6 mph after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 8am.  Partly sunny, with a high near 85. West northwest wind 5 to 9 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms, mainly before 11am. Some of the storms could produce heavy rainfall. High near 84. South wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 73. Calm wind becoming west southwest around 6 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 8am. Partly sunny, with a high near 85. West northwest wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 65. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the morning.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Lacon IL
 41.02°N 89.39°W (Elev. 515 ft)
6:36 am CDT Aug 15, 2026
6am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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