7-Day Forecast 39.73°N 90.24°W (Text-Only)
NWS Forecast for: Jacksonville IL
Issued by: National Weather Service Lincoln, IL
Last Update: 12:41 pm CDT Jul 3, 2025
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  • This
    Afternoon

    This Afternoon: Sunny, with a high near 90. Light southwest wind.

    High: 90 °F

    Sunny



  • Tonight

    Tonight: Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.

    Low: 70 °F

    Mostly Clear



  • Independence
    Day

    Independence Day: Sunny, with a high near 90. South wind 3 to 8 mph.

    High: 90 °F

    Sunny



  • Friday
    Night

    Friday Night: Mostly clear, with a low around 71. South southeast wind around 7 mph.

    Low: 71 °F

    Mostly Clear



  • Saturday

    Saturday: Sunny, with a high near 90. South wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 90 °F

    Sunny



  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 72. Southwest wind around 7 mph.

    Low: 72 °F

    Partly Cloudy



  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 86. West northwest wind 6 to 9 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy



  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • This Afternoon: Sunny, with a high near 90. Light southwest wind.

    Tonight: Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.

    Independence Day: Sunny, with a high near 90. South wind 3 to 8 mph.

    Friday Night: Mostly clear, with a low around 71. South southeast wind around 7 mph.

    Saturday: Sunny, with a high near 90. South wind 6 to 10 mph, with gusts as high as 16 mph.

    Saturday Night: Partly cloudy, with a low around 72. Southwest wind around 7 mph.

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. West northwest wind 6 to 9 mph.

    Sunday Night: Partly cloudy, with a low around 69.

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    Monday Night: Partly cloudy, with a low around 69.

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 87.

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 86.



    Jacksonville IL
     39.73°N 90.24°W (Elev. 607 ft)

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