7-Day Forecast 41.02°N 89.39°W (Text-Only)
NWS Forecast for: Lacon IL
Issued by: National Weather Service Lincoln, IL
Last Update: 12:56 pm CDT Jul 13, 2025
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  • This
    Afternoon

    This Afternoon: Mostly cloudy, with a high near 81. West southwest wind around 5 mph.

    High: 81 °F

    Mostly Cloudy


  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear


  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 70. Light south wind.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms



  • This Afternoon: Mostly cloudy, with a high near 81. West southwest wind around 5 mph.

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 64. Light and variable wind.

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind.

    Monday Night: Mostly clear, with a low around 66. Calm wind.

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.

    Tuesday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 70. Light south wind. Chance of precipitation is 30%.

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.

    Thursday Night: Mostly cloudy, with a low around 62.

    Friday: Mostly sunny, with a high near 81.

    Friday Night: Partly cloudy, with a low around 64.

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84.



    Lacon IL
     41.02°N 89.39°W (Elev. 515 ft)

    Visit your local NWS office at: https://www.weather.gov/ilx