National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain and Breezy

40°F

4°C

Humidity 86%
Wind Speed N 22 G 31 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 27 Mar 5:51 am CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: A 40 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind 16 to 18 mph, with gusts as high as 28 mph.

    High: 52 °F

    Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind 7 to 14 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. South wind around 10 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. South wind 9 to 13 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Rain

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind 16 to 18 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 33. North wind 7 to 14 mph.
Saturday
Sunny, with a high near 57. Northeast wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 42. South wind around 10 mph.
Sunday
Partly sunny, with a high near 71. South wind 9 to 13 mph.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 86.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 72.
Wednesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Rain and thunderstorms likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
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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:
5:41 am CDT Mar 27, 2026
Forecast Valid:
6am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation