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

18°F

-8°C

Humidity 81%
Wind Speed N 9 mph
Barometer 30.31 in (1028.3 mb)
Dewpoint 13°F (-11°C)
Visibility 9.00 mi
Wind Chill7°F (-14°C)
Last update 29 Jan 7:51 pm CST
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 6. North wind 3 to 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 6 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: Partly sunny and cold, with a high near 19. North wind 5 to 10 mph.

    High: 19 °F

    Cold

  • Friday Night

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 5. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 20. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 20 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. Northwest wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 6. North wind 3 to 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Partly sunny and cold, with a high near 19. North wind 5 to 10 mph.
Friday Night
Cloudy during the early evening, then gradual clearing, with a low around 5. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny and cold, with a high near 20. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 3. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 35.
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 90.26°W (Elev. 499 ft)
Last Update:
4:46 pm CST Jan 29, 2026
Forecast Valid:
8pm CST Jan 29, 2026-6pm CST Feb 5, 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