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

47°F

8°C

Humidity 90%
Wind Speed W 17 G 30 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 7 Mar 12:51 pm CST
Extended Forecast for

Brentwood MO

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 62. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 67 °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 79. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

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

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before noon, then rain likely. High near 67. Chance of precipitation is 100%.

    High: 67 °F

    Rain then
    Rain Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 62. West wind 10 to 14 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 39. Northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the morning.
Sunday Night
Clear, with a low around 49. South wind around 6 mph.
Monday
Sunny, with a high near 79. South wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then rain likely. High near 67. Chance of precipitation is 100%.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 67.
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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:
12:25 pm CST Mar 7, 2026
Forecast Valid:
1pm CST Mar 7, 2026-6pm CDT Mar 13, 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