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.

Light Snow

34°F

1°C

Humidity 73%
Wind Speed E 14 mph
Barometer 29.93 in (1014.5 mb)
Dewpoint 26°F (-3°C)
Visibility 8.00 mi
Wind Chill25°F (-4°C)
Last update 11 Dec 3:51 pm CST
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly before 5pm. Cloudy, with a high near 36. Southeast wind around 8 mph.

    High: 36 °F

    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Southeast wind 5 to 9 mph becoming north after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 37. North wind 8 to 10 mph.

    High: 37 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Northwest wind around 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Cloudy, with a high near 26. North wind 6 to 9 mph.

    High: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 15.

    High: 15 °F

    Cold

  • Sunday Night

    Sunday Night: Clear, with a low around 9.

    Low: 9 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly before 5pm. Cloudy, with a high near 36. Southeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 30. Southeast wind 5 to 9 mph becoming north after midnight.
Friday
Mostly cloudy, with a high near 37. North wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 23. Northwest wind around 6 mph.
Saturday
A 40 percent chance of snow after noon. Cloudy, with a high near 26. North wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Sunny and cold, with a high near 15.
Sunday Night
Clear, with a low around 9.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
3:15 pm CST Dec 11, 2025
Forecast Valid:
4pm CST Dec 11, 2025-6pm CST Dec 18, 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