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.

Heavy Snow Freezing Fog

24°F

-4°C

Humidity 91%
Wind Speed S 6 mph
Barometer 30.25 in (1026.0 mb)
Dewpoint 22°F (-6°C)
Visibility 0.25 mi
Wind Chill17°F (-8°C)
Last update 1 Dec 12:52 pm CST
Extended Forecast for

Lambert-St. Louis International Airport MO

Winter Weather Advisory until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 26 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 19. Calm wind becoming northwest 5 to 7 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow then
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. Northwest wind around 6 mph becoming light and variable.

    High: 28 °F

    Partly Sunny

  • 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

Detailed Forecast

This Afternoon
Snow, mainly before 4pm. High near 26. Light and variable wind. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 11pm. Low around 19. Calm wind becoming northwest 5 to 7 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 28. Northwest wind around 6 mph becoming light and variable.
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:
12:51 pm CST Dec 1, 2025
Forecast Valid:
1pm CST Dec 1, 2025-6pm CST Dec 7, 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