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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

64°F

18°C

Humidity 87%
Wind Speed S 7 mph
Barometer 29.85 in (1009.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 10 Mar 3:51 am CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: Sunny, with a high near 84. South wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 54. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Slight Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 14 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    High: 64 °F⇓

    T-storms then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 57. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 84. South wind 7 to 17 mph, with gusts as high as 26 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 54. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 14 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 57. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 50.
Sunday
Rain likely. Mostly cloudy, with a high near 61. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
Last Update:
3:46 am CDT Mar 10, 2026
Forecast Valid:
4am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation