Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

83°F

28°C

Humidity 43%
Wind Speed SE 15 G 21 mph
Barometer 30.11 in (1018.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Oct 1:51 pm CDT
Extended Forecast for

Brentwood MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South wind around 10 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. South wind 5 to 8 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89. South wind 6 to 11 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind 3 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 87. South wind 3 to 6 mph.

    High: 87 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South wind around 10 mph.
Tonight
Clear, with a low around 61. South wind 5 to 8 mph.
Sunday
Sunny, with a high near 89. South wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 65. South wind 3 to 7 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. South wind 3 to 6 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.6°N 90.35°W (Elev. 482 ft)
1:46 pm CDT Oct 4, 2025
2pm CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database