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.

Mostly Cloudy

31°F

-1°C

Humidity 82%
Wind Speed S 9 mph
Barometer 30.10 in (1020.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 3 Dec 10:51 am CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: A 50 percent chance of snow after 3pm. Cloudy, with a high near 34. Southwest wind 3 to 7 mph.

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 9pm. Cloudy, with a low around 13. Light northwest wind becoming north 6 to 11 mph in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 22. North wind 3 to 8 mph.

    High: 22 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Light and variable wind becoming south around 6 mph after midnight.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. South wind around 7 mph.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
A 50 percent chance of snow after 3pm. Cloudy, with a high near 34. Southwest wind 3 to 7 mph.
Tonight
Snow likely, mainly before 9pm. Cloudy, with a low around 13. Light northwest wind becoming north 6 to 11 mph in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 22. North wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 15. Light and variable wind becoming south around 6 mph after midnight.
Friday
Mostly sunny, with a high near 38. South wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
Last Update:
10:51 am CST Dec 3, 2025
Forecast Valid:
11am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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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