National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

77°F

25°C

Humidity 66%
Wind Speed S 12 mph
Barometer 29.64 in (1002.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 May 9:51 pm CDT
Extended Forecast for

Brentwood MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Southeast wind 6 to 8 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 7 to 10 mph.

    Low: 65 °F

    Decreasing
    Clouds

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 4pm. Sunny, with a high near 90. South wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 90 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly clear, with a low around 60. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 60 °F

    T-storms
    Likely then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. Southeast wind 6 to 8 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 7 to 10 mph.
Friday
Showers and thunderstorms likely, mainly after 4pm. Sunny, with a high near 90. South wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly clear, with a low around 60. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.62°N 90.35°W (Elev. 499 ft)
Last Update:
10:22 pm CDT May 14, 2025
Forecast Valid:
10pm CDT May 14, 2025-6pm CDT May 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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