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

44°F

7°C

Humidity 83%
Wind Speed Calm
Barometer 30.06 in (1018.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 16 Feb 7:51 am CST
Extended Forecast for

3 Miles SSW Maryland Heights MO

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 67. South wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. South wind around 7 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Cloudy during the early evening, then gradual clearing, with a low around 58. South wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 74. West wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Washington's Birthday
Mostly sunny, with a high near 67. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 44. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 66. South wind 6 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Cloudy during the early evening, then gradual clearing, with a low around 58. South wind 14 to 18 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 74. West wind 7 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Sunny, with a high near 74. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 38.
Friday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 52.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 32.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 51.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 29.
Sunday
A 20 percent chance of showers. Sunny, with a high near 44.
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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:
6:01 am CST Feb 16, 2026
Forecast Valid:
8am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation