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

45°F

7°C

Humidity 63%
Wind Speed NW 13 G 26 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 6 Feb 3:51 pm CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 22 mph.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 36. Northeast wind 6 to 9 mph becoming southeast in the afternoon.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27. Southeast wind around 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. South wind 7 to 10 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. East wind 5 to 7 mph becoming calm after midnight.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 36. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 27. Southeast wind around 10 mph.
Sunday
Mostly sunny, with a high near 49. South wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 32. East wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 65.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 51.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 46.
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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:
3:16 pm CST Feb 6, 2026
Forecast Valid:
4pm CST Feb 6, 2026-6pm CST Feb 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation