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.

Fair

77°F

25°C

Humidity 38%
Wind Speed SW 15 G 23 mph
Barometer 29.56 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 May 1:15 pm CDT
Extended Forecast for

Lacon IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 80. Southwest wind around 16 mph, with gusts as high as 24 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 59. North wind around 7 mph.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41. North wind 3 to 7 mph.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Light north wind becoming north northwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. Light west northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 80. Southwest wind around 16 mph, with gusts as high as 24 mph.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 59. North wind around 7 mph.
Tuesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41. North wind 3 to 7 mph.
Wednesday
Partly sunny, with a high near 57. Light north wind becoming north northwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 62. Light west northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A chance of showers. Partly sunny, with a high near 68.
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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:
1:26 pm CDT May 4, 2026
Forecast Valid:
1pm CDT May 4, 2026-6pm CDT May 10, 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