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 and Breezy

63°F

17°C

Humidity 60%
Wind Speed W 22 G 43 mph
Barometer 29.63 in (1002.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 9 Jan 1:51 am CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. West wind around 17 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50. West wind 6 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 28 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly between 3am and 5am. Increasing clouds, with a low around 37. Light and variable wind becoming northwest 5 to 8 mph after midnight.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 47. West wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 47 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. West wind around 17 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 50. West wind 6 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 28 mph.
Friday Night
A 30 percent chance of rain, mainly between 3am and 5am. Increasing clouds, with a low around 37. Light and variable wind becoming northwest 5 to 8 mph after midnight.
Saturday
A 20 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 47. West wind 9 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 25. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
Last Update:
1:36 am CST Jan 9, 2026
Forecast Valid:
2am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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