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.

A Few Clouds

42°F

6°C

Humidity 58%
Wind Speed E 3 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 14 Mar 12:51 am CDT
Extended Forecast for

3 Miles SSW Maryland Heights MO

  • Overnight

    Overnight: Partly cloudy, with a low around 38. Calm wind becoming northeast around 5 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 56. South wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 70. Breezy, with a south wind 18 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

    High: 70 °F

    Breezy.
    Chance Rain
    then Showers

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 21. Blustery, with a west wind 21 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. 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 30. Blustery.

    High: 30 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight 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

    Slight Chance
    Snow then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 38. Calm wind becoming northeast around 5 mph.
Saturday
Mostly sunny, with a high near 65. East wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Increasing clouds, with a low around 56. South wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Rain, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 70. Breezy, with a south wind 18 to 21 mph, with gusts as high as 38 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. Some thunder is also possible. Low around 21. Blustery, with a west wind 21 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 30. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Sunny, with a high near 38.
Tuesday Night
A slight 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
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Maryland Heights MO
 38.69°N 90.48°W (Elev. 499 ft)
Last Update:
11:46 pm CDT Mar 13, 2026
Forecast Valid:
1am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation