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.

Partly Cloudy

68°F

20°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 24 Jun 10:55 pm CDT
Extended Forecast for

Lacon IL

Flood Warning June 24, 11:21pm until June 28, 07:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning June 24, 11:21pm until June 28, 07:00pm

    NOW until 7:00pm Sun

    Flood Warning

  • Tonight

    Low: 61 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 79. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Calm wind becoming east around 6 mph after midnight.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 7am. Mostly cloudy, with a high near 75. East wind 7 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61. East northeast wind 5 to 9 mph, with gusts as high as 17 mph.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81. Southeast wind 5 to 7 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. East southeast wind around 6 mph.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. Calm wind.
Thursday
Partly sunny, with a high near 79. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Calm wind becoming east around 6 mph after midnight.
Friday
Showers likely, mainly after 7am. Mostly cloudy, with a high near 75. East wind 7 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Friday Night
Mostly cloudy, with a low around 61. East northeast wind 5 to 9 mph, with gusts as high as 17 mph.
Saturday
Partly sunny, with a high near 81. Southeast wind 5 to 7 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 93.
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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:
10:36 pm CDT Jun 24, 2026
Forecast Valid:
11pm CDT Jun 24, 2026-6pm CDT Jul 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