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.

Partly Cloudy

70°F

21°C

Humidity 66%
Wind Speed SE 8 mph
Barometer 29.91 in (1012.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 6 Mar 8:51 pm CST
Extended Forecast for

Brentwood MO

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. South wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers, mainly before 8am. High near 67. Northwest wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

    High: 67 °F

    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49. South wind around 6 mph.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain and thunderstorms after midnight. Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. South wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 8am. High near 67. Northwest wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 68. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 49. South wind around 6 mph.
Monday
Sunny, with a high near 80.
Monday Night
A 30 percent chance of rain and thunderstorms after midnight. Mostly clear, with a low around 60.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 80. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain. High near 61. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 69.
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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:
8:51 pm CST Mar 6, 2026
Forecast Valid:
9pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation