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

68°F

20°C

Humidity 75%
Wind Speed SE 5 mph
Barometer 29.99 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 1:35 am CDT
Extended Forecast for

Lacon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. Calm wind becoming south around 6 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 11am and noon. Mostly sunny, with a high near 84. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Northwest wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. Calm wind becoming south around 6 mph.
Wednesday
A slight chance of showers between 11am and noon. Mostly sunny, with a high near 84. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 61. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 81. Calm wind.
Friday Night
Mostly clear, with a low around 59. Calm wind.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A chance of showers. Mostly sunny, with a high near 86.
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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:
1:26 am CDT Aug 26, 2026
Forecast Valid:
1am CDT Aug 26, 2026-6pm CDT Sep 1, 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