Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

37°F

3°C

Humidity 52%
Wind Speed SE 12 mph
Barometer 30.01 in (1017.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 18 Mar 6:51 am CDT
Extended Forecast for

Brentwood MO

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 66. South wind 6 to 8 mph becoming west in the afternoon.

    High: 66 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Light and variable wind.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 66. South wind 6 to 8 mph becoming west in the afternoon.
Tonight
Mostly cloudy, with a low around 46. Calm wind.
Thursday
Mostly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 49. Light and variable wind.
Friday
Sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.62°N 90.35°W (Elev. 499 ft)
5:36 am CDT Mar 18, 2026
7am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database