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.

Fair

31°F

-1°C

Humidity 67%
Wind Speed N 5 mph
Barometer 30.65 in (1038.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 28 Mar 6:51 am CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

Frost Advisory March 28, 07:38am until March 28, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory March 28, 07:38am until March 28, 09:00am

    NOW until 9:00am Sat

    Frost Advisory

  • Today

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. South wind around 10 mph.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 70. South wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. South wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. South wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Chance Rain
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 57. Northeast wind 5 to 9 mph becoming south in the afternoon.
Tonight
Mostly clear, with a low around 42. South wind around 10 mph.
Sunday
Partly sunny, with a high near 70. South wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind 11 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 84. South wind 11 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 56.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 69.
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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:
6:16 am CDT Mar 28, 2026
Forecast Valid:
7am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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