National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.72°N 89.94°W (Text-Only)
NWS Forecast for: Maryville IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 7:37 pm CDT Jul 13, 2025		Print

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, cloudy early, then becoming partly cloudy, with a low around 69. Light and variable wind.

    Low: 69 °F

    Cloudy then
    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Light east wind.

    High: 86 °F

    Areas Fog
    then Partly
    Sunny

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 71. South wind around 6 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy


  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the morning.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Wednesday
    Night

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

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms



    • Tonight: Patchy fog after 1am. Otherwise, cloudy early, then becoming partly cloudy, with a low around 69. Light and variable wind.

    Monday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Light east wind.

    Monday Night: Mostly cloudy, with a low around 71. South wind around 6 mph becoming calm in the evening.

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the morning.

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening.

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.

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

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73.

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. 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 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

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

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


    Maryville IL
     38.72°N 89.94°W (Elev. 554 ft)

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