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.

Partly Cloudy

87°F

31°C

Humidity 39%
Wind Speed Vrbl 5 mph
Barometer 30.17 in (1020.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 2:51 pm CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Tonight

    Tonight: Mostly clear, with a low around 66. South wind around 7 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. South wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. South wind 8 to 10 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind 7 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 66. South wind around 7 mph.
Saturday
Sunny, with a high near 86. South wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 62. South wind 8 to 10 mph.
Sunday
Sunny, with a high near 86. South wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 65. South wind 7 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 80.
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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:
2:36 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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