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.

A Few Clouds

30°F

-1°C

Humidity 61%
Wind Speed Calm
Barometer 30.51 in (1034.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 28 Nov 9:51 am CST
Extended Forecast for

Lambert-St. Louis International Airport MO

Winter Weather Advisory November 29, 12:00am until November 30, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Increasing clouds, with a high near 38. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 38 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 1am. Low around 32. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Cloudy then
    Snow

  • Saturday

    Saturday: Snow, possibly mixed with rain and sleet before 11am, then rain, possibly mixed with snow between 11am and noon, then rain after noon. High near 39. Southeast wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.

    High: 39 °F

    Wintry Mix
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 26. South wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain/Snow
    Likely then
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 28. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 28 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 38. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Snow, mainly after 1am. Low around 32. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow, possibly mixed with rain and sleet before 11am, then rain, possibly mixed with snow between 11am and noon, then rain after noon. High near 39. Southeast wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.
Saturday Night
Rain likely, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 26. South wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 28. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27.
Monday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 33.
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:
8:01 am CST Nov 28, 2025
Forecast Valid:
10am CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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