Severe Thunderstorms and Heavy Rain from the Plains to the Mid-Atlantic; Ongoing Heat in the South

Severe thunderstorms and showers pose a risk for excessive rain, localized flash flooding, strong gusts and/or large hail across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic this afternoon and evening. Extreme heat is ongoing over the Desert Southwest and the Southeast U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Partly Cloudy

85°F

29°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 29.90 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 9 Jul 12:35 pm CDT
Extended Forecast for

Lacon IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 86. West southwest wind around 7 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers.  Mostly cloudy, with a low around 68. Light and variable wind.  Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms after 5pm.  Partly sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the afternoon.  Chance of precipitation is 10%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers between 1am and 4am.  Mostly cloudy, with a low around 63. Light east northeast wind.  Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Light east northeast wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85. Light east wind.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 86. West southwest wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 40%.
Friday
A slight chance of thunderstorms after 5pm. Partly sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 10%.
Friday Night
A chance of showers between 1am and 4am. Mostly cloudy, with a low around 63. Light east northeast wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. Light east northeast wind.
Sunday
Sunny, with a high near 85. Light east wind.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Lacon IL
 41.02°N 89.39°W (Elev. 515 ft)
12:51 pm CDT Jul 9, 2026
12pm CDT Jul 9, 2026-6pm CDT Jul 15, 2026
 
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Additional Resources

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