National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

41°F

5°C

Humidity 55%
Wind Speed NE 8 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 14 Mar 3:51 am CDT
Extended Forecast for

Black Jack MO

  • Today

    Today: Mostly sunny, with a high near 63. East wind 6 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southeast wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain after 1pm. High near 68. Breezy, with a south wind 20 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    High: 68 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Low around 21. Blustery, with a southwest wind 22 to 28 mph becoming northwest in the evening. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 41 mph.

    High: 28 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Blustery.

    Low: 13 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. East wind 6 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Tonight
Partly cloudy, with a low around 55. Southeast wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday
A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain after 1pm. High near 68. Breezy, with a south wind 20 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Low around 21. Blustery, with a southwest wind 22 to 28 mph becoming northwest in the evening. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 41 mph.
Monday Night
Partly cloudy, with a low around 13. Blustery.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Black Jack MO
 38.8°N 90.25°W (Elev. 597 ft)
Last Update:
1:26 am CDT Mar 14, 2026
Forecast Valid:
4am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation