7-Day Forecast 38.42°N 90.38°W (Text-Only)
NWS Forecast for: Arnold MO
Issued by: National Weather Service Saint Louis, MO
Last Update: 10:22 pm CDT Jun 3, 2024
Print


  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy



  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 10am.  Partly sunny, with a high near 85. South wind 7 to 9 mph.

    High: 85 °F

    Chance
    T-storms


  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 68. South wind 5 to 8 mph.  Chance of precipitation is 70%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers.  Partly sunny, then gradually becoming sunny, with a high near 86. Northwest wind 6 to 8 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms


  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 65. West wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear



  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny



  • Thursday
    Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear



  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny



  • Friday
    Night

    Friday Night: A 20 percent chance of showers after 1am.  Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear
    then Slight
    Chance
    Showers



  • Overnight: Mostly cloudy, with a low around 68. Southeast wind around 5 mph.

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 10am. Partly sunny, with a high near 85. South wind 7 to 9 mph.

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind 5 to 8 mph. Chance of precipitation is 70%.

    Wednesday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, then gradually becoming sunny, with a high near 86. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Wednesday Night: Mostly clear, with a low around 65. West wind 3 to 5 mph.

    Thursday: Sunny, with a high near 85.

    Thursday Night: Clear, with a low around 61.

    Friday: Sunny, with a high near 82.

    Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 60.

    Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 82.

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 63.

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    Sunday Night: Partly cloudy, with a low around 63.

    Monday: Sunny, with a high near 85.



    Arnold MO
     38.42°N 90.38°W (Elev. 495 ft)

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