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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.82°N 90.28°W (Text-Only)
NWS Forecast for: 3 Miles NNW Black Jack MO
Issued by: National Weather Service Saint Louis, MO
Last Update: 2:21 am CDT Jun 30, 2026		Print

  • Overnight

    Overnight: Mostly clear, with a low around 79. South wind around 7 mph.

    Low: 79 °F

    Mostly Clear


  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 6 to 9 mph.

    High: 97 °F

    Hot


  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 78. South wind 5 to 8 mph.

    Low: 78 °F

    Clear


  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 106. Southwest wind 5 to 8 mph.

    High: 97 °F

    Hot


  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 79. South wind 5 to 8 mph.

    Low: 79 °F

    Clear


  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

    Low: 77 °F

    Slight Chance
    T-storms



    • Overnight: Mostly clear, with a low around 79. South wind around 7 mph.

    Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 6 to 9 mph.

    Tuesday Night: Clear, with a low around 78. South wind 5 to 8 mph.

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 106. Southwest wind 5 to 8 mph.

    Wednesday Night: Clear, with a low around 79. South wind 5 to 8 mph.

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78.

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

    Independence Day: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95.

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.


    3 Miles NNW Black Jack MO
     38.82°N 90.28°W (Elev. 541 ft)

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