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.

Overcast

34°F

1°C

Humidity 73%
Wind Speed E 14 mph
Barometer 29.92 in (1014.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Dec 4:51 pm CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Cloudy, with a high near 37. Southeast wind around 9 mph.

    High: 37 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Scattered flurries before 7pm. Mostly cloudy, with a low around 30. Southeast wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Scattered
    Flurries

  • Friday

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

    High: 37 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Northwest wind 7 to 9 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 24. North wind 7 to 11 mph.

    High: 24 °F

    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 13.

    High: 13 °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 20 percent chance of snow. Cloudy, with a high near 37. Southeast wind around 9 mph.
Tonight
Scattered flurries before 7pm. Mostly cloudy, with a low around 30. Southeast wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Friday
Mostly cloudy, with a high near 37. Northwest wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 21. Northwest wind 7 to 9 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 24. North wind 7 to 11 mph.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Sunny and cold, with a high near 13.
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 37.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 52.
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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:
3:15 pm CST Dec 11, 2025
Forecast Valid:
5pm CST Dec 11, 2025-6pm CST Dec 18, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation