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.

Overcast

38°F

3°C

Humidity 62%
Wind Speed SW 8 mph
Barometer 29.89 in (1013.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 5 Dec 9:51 pm CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Tonight

    Tonight: Cloudy, with a low around 28. West wind 5 to 7 mph.

    Low: 28 °F

    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37. Light and variable wind becoming southeast around 6 mph in the afternoon.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 32. Southeast wind 7 to 9 mph becoming south after midnight.

    Low: 32 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a temperature rising to near 37 by 8am, then falling to around 31 during the remainder of the day. South wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 37 °F⇓

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18. North wind 6 to 10 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 28. West wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 37. Light and variable wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 32. Southeast wind 7 to 9 mph becoming south after midnight.
Sunday
A chance of rain before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a temperature rising to near 37 by 8am, then falling to around 31 during the remainder of the day. South wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18. North wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 31.
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 90.4°W (Elev. 597 ft)
Last Update:
10:01 pm CST Dec 5, 2025
Forecast Valid:
10pm CST Dec 5, 2025-6pm CST Dec 12, 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