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.

Mostly Cloudy

68°F

20°C

Humidity 78%
Wind Speed S 3 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 May 12:55 am CDT
Extended Forecast for

Lacon IL

  • Overnight

    Overnight: A 50 percent chance of showers. Cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 81. Light north wind.

    High: 81 °F

    Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 84. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 65. East southeast wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 61. Calm wind.
Sunday
A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 81. Light north wind.
Sunday Night
Clear, with a low around 55. Calm wind.
Memorial Day
Sunny, with a high near 84. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 60. Calm wind.
Tuesday
Partly sunny, with a high near 84. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 65. East southeast wind around 6 mph becoming calm in the evening.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
Partly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 78.
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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:
7:46 pm CDT May 23, 2026
Forecast Valid:
1am CDT May 24, 2026-6pm CDT May 30, 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