7-Day Forecast 38.47°N 89.67°W (Text-Only)
NWS Forecast for: New Memphis IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 12:21 pm CDT Jul 13, 2025
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  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 3pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a temperature falling to around 76 by 5pm. Southwest wind around 6 mph.  Chance of precipitation is 70%.

    High: 85 °F

    Heavy Rain



  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 69. Light and variable wind.  Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely then
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Patchy fog before 7am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Cloudy



  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms


  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms


  • Wednesday

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

    High: 92 °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 73.

    Low: 73 °F

    Chance
    T-storms


  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms



  • This Afternoon: Showers and thunderstorms likely, mainly after 3pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a temperature falling to around 76 by 5pm. Southwest wind around 6 mph. Chance of precipitation is 70%.

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 60%.

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Light and variable wind.

    Monday Night: Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

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

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

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

    Friday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

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

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



    New Memphis IL
     38.47°N 89.67°W (Elev. 400 ft)

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