Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

24°F

-4°C

Humidity 77%
Wind Speed N 5 mph
Barometer 30.33 in (1028.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 8 Dec 4:51 am CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 6 mph becoming calm  in the morning.

    High: 32 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 35 by 5am. Southeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Southwest wind 10 to 14 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 37 by 5pm. Northwest wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow before noon.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 6 mph becoming calm in the morning.
Tonight
Partly cloudy, with a temperature rising to around 35 by 5am. Southeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 51. Southwest wind 10 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 30 mph.
Wednesday
Partly sunny, with a temperature falling to around 37 by 5pm. Northwest wind 13 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Partly sunny, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
4:01 am CST Dec 8, 2025
5am CST Dec 8, 2025-6pm CST Dec 14, 2025
 
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