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.

Overcast

53°F

12°C

Humidity 93%
Wind Speed Calm
Barometer 30.00 in (1016.0 mb)
Dewpoint 51°F (11°C)
Visibility 7.00 mi
Last update 5 Mar 11:51 am CST
Extended Forecast for

Brentwood MO

  • This Afternoon

    This Afternoon: Cloudy, with a high near 67. Northwest wind around 5 mph becoming calm.

    High: 67 °F

    Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 57. Calm wind becoming southeast around 6 mph after midnight.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain and thunderstorms, mainly before 8am. Partly sunny, with a high near 78. South wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 78 °F

    Chance Rain
    then Partly
    Sunny

  • Friday Night

    Friday Night: A slight chance of rain before 9pm, then a slight chance of rain and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 60. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers before noon. Mostly cloudy, with a high near 68. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 68 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 67. Northwest wind around 5 mph becoming calm.
Tonight
A 40 percent chance of rain and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 57. Calm wind becoming southeast around 6 mph after midnight.
Friday
A 30 percent chance of rain and thunderstorms, mainly before 8am. Partly sunny, with a high near 78. South wind 7 to 14 mph, with gusts as high as 26 mph.
Friday Night
A slight chance of rain before 9pm, then a slight chance of rain and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 60. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday
A 50 percent chance of showers before noon. Mostly cloudy, with a high near 68. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 78.
Monday Night
A 40 percent chance of showers and thunderstorms after midnight. Mostly clear, with a low around 60.
Tuesday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Wednesday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.62°N 90.35°W (Elev. 499 ft)
Last Update:
11:01 am CST Mar 5, 2026
Forecast Valid:
12pm CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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