National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.3°N 89.82°W (Text-Only)
NWS Forecast for: Lenzburg IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 10:52 pm CDT Jul 12, 2025		Print

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Patchy Fog




  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms


  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light southeast wind.

    Low: 73 °F

    Slight Chance
    T-storms



  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms


  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms



  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Chance
    T-storms



  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms





    • Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 60%.

    Sunday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 60%.

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light southeast wind.

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91.

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93.

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75.

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    Thursday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

    Friday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.


    Lenzburg IL
     38.3°N 89.82°W (Elev. 436 ft)

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