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.

Fog/Mist

44°F

7°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.24 in (1024.1 mb)
Dewpoint 44°F (7°C)
Visibility 6.00 mi
Last update 24 Dec 2:51 am CST
Extended Forecast for

Lambert-St. Louis International Airport MO

Dense Fog Advisory December 24, 03:00am until December 24, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 24, 03:00am until December 24, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 45 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Patchy drizzle between 7am and noon. Areas of dense fog before 8am. Otherwise, cloudy, with a high near 64. Southeast wind 6 to 9 mph.

    High: 64 °F

    Patchy
    Drizzle and
    Areas Dense
    Fog then
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54. South wind 5 to 7 mph becoming northwest after midnight.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Christmas Day

    Christmas Day: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 64 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. East wind 8 to 10 mph becoming southwest after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, cloudy, with a low around 45. East wind 3 to 5 mph.
Wednesday
Patchy drizzle between 7am and noon. Areas of dense fog before 8am. Otherwise, cloudy, with a high near 64. Southeast wind 6 to 9 mph.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54. South wind 5 to 7 mph becoming northwest after midnight.
Christmas Day
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Light and variable wind becoming east 5 to 8 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 54. East wind 8 to 10 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A chance of rain before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
Last Update:
2:46 am CST Dec 24, 2025
Forecast Valid:
3am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation