7-Day Forecast 39.62°N 90.44°W (Text-Only)
NWS Forecast for: Winchester IL
Issued by: National Weather Service Lincoln, IL
Last Update: 1:40 pm CDT Jul 14, 2025
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  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Light east southeast wind.

    High: 87 °F

    Mostly Sunny


  • Tonight

    Tonight: Partly cloudy, with a low around 69. Light east southeast wind.

    Low: 69 °F

    Partly Cloudy


  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87. Calm wind becoming south southeast around 6 mph in the morning.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Partly Cloudy


  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. South southwest wind 3 to 7 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 74. South southwest wind around 6 mph.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89. Southwest wind 6 to 8 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 85.

    High: 85 °F

    Mostly Cloudy
    then Chance
    T-storms

  • This Afternoon: Mostly sunny, with a high near 87. Light east southeast wind.

    Tonight: Partly cloudy, with a low around 69. Light east southeast wind.

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southeast around 6 mph in the morning.

    Tuesday Night: Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 3 to 7 mph.

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. South southwest wind around 6 mph.

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 6 to 8 mph.

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70.

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    Friday Night: Partly cloudy, with a low around 70.

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 88.

    Saturday Night: Partly cloudy, with a low around 71.

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 89.



    Winchester IL
     39.62°N 90.44°W (Elev. 499 ft)

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