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

23°F

-5°C

Humidity 81%
Wind Speed E 6 mph
Barometer 30.41 in (1031.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 1 Dec 6:51 am CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: Snow likely, mainly after 5pm. Cloudy, with a high near 29. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 29 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tonight

    Tonight: Snow, mainly before 10pm. Low around 21. Calm wind becoming northwest 5 to 8 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 30 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. South wind around 7 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. South wind around 8 mph becoming west in the afternoon.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
Snow likely, mainly after 5pm. Cloudy, with a high near 29. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 10pm. Low around 21. Calm wind becoming northwest 5 to 8 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 24. South wind around 7 mph.
Wednesday
Partly sunny, with a high near 39. South wind around 8 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Mostly sunny, with a high near 23.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 36.
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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:
4:36 am CST Dec 1, 2025
Forecast Valid:
7am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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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