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.

A Few Clouds

86°F

30°C

Humidity 42%
Wind Speed S 5 mph
Barometer 30.19 in (1021.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 1:51 pm CDT
Extended Forecast for

Brentwood MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. South wind around 6 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61. South wind 5 to 7 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. South wind around 6 mph.
Tonight
Mostly clear, with a low around 64. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 61. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 66.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 86. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.62°N 90.35°W (Elev. 499 ft)
Last Update:
2:36 pm CDT Oct 3, 2025
Forecast Valid:
2pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation