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.

Mostly Cloudy

60°F

16°C

Humidity 84%
Wind Speed SE 9 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Last update 24 Dec 1:51 pm CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 67. Southeast wind around 9 mph.

    High: 67 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 54. South wind 5 to 9 mph becoming light and variable.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Christmas Day

    Christmas Day: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 66 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind around 8 mph becoming southwest after midnight.

    Low: 56 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 67. Southwest wind 7 to 11 mph becoming northwest in the afternoon.

    High: 67 °F

    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 65.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain likely after noon. Cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 67. Southeast wind around 9 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 54. South wind 5 to 9 mph becoming light and variable.
Christmas Day
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. Light and variable wind becoming east 5 to 7 mph in the morning.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind around 8 mph becoming southwest after midnight.
Friday
Sunny, with a high near 67. Southwest wind 7 to 11 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of rain and thunderstorms, then rain likely after noon. Cloudy, with a high near 57. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, 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:
1:16 pm CST Dec 24, 2025
Forecast Valid:
2pm CST Dec 24, 2025-6pm CST Dec 30, 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