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

53°F

12°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 53°F (12°C)
Visibility 1.00 mi
Wind Chill52°F (11°C)
Last update 20 Nov 10:51 pm CST
Extended Forecast for

Lambert-St. Louis International Airport MO

Dense Fog Advisory until November 21, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 21, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 52 °F

    Rain and
    Areas Dense
    Fog

  • Friday

    Friday: Rain. Patchy dense fog between 3pm and 4pm. High near 57. Northeast wind around 8 mph. Chance of precipitation is 100%.

    High: 57 °F

    Rain and
    Areas Dense
    Fog then Rain
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: Rain, mainly before midnight. Patchy fog between 7pm and 9pm. Low around 43. North wind 7 to 9 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 56. North wind 5 to 7 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain likely, mainly after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Tonight
Rain, mainly after 1am. Areas of dense fog. Low around 52. East wind 3 to 6 mph. Chance of precipitation is 100%.
Friday
Rain. Patchy dense fog between 3pm and 4pm. High near 57. Northeast wind around 8 mph. Chance of precipitation is 100%.
Friday Night
Rain, mainly before midnight. Patchy fog between 7pm and 9pm. Low around 43. North wind 7 to 9 mph. Chance of precipitation is 90%.
Saturday
Sunny, with a high near 56. North wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 40. Light and variable wind becoming southwest around 5 mph after midnight.
Sunday
Sunny, with a high near 62.
Sunday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.
Monday
Rain likely, mainly after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Monday Night
Rain, mainly before midnight. Low around 49. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 32.
Thanksgiving Day
Mostly sunny, with a high near 45.
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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:
10:11 pm CST Nov 20, 2025
Forecast Valid:
11pm CST Nov 20, 2025-6pm CST Nov 27, 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