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.

Light Rain Fog/Mist

45°F

7°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.08 in (1019.1 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Wind Chill41°F (5°C)
Last update 3 Mar 10:51 am CST
Extended Forecast for

Brentwood MO

  • Today

    Today: Scattered showers, with thunderstorms also possible after 3pm. Patchy fog before noon. Otherwise, cloudy, with a high near 54. Light and variable wind. Chance of precipitation is 40%.

    High: 54 °F

    Scattered
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 50. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 1pm. High near 63. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%.

    High: 63 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers, with thunderstorms also possible after 9pm. Low around 54. Southwest wind 3 to 5 mph. Chance of precipitation is 100%.

    Low: 54 °F

    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Southwest wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 3pm. Patchy fog before noon. Otherwise, cloudy, with a high near 54. Light and variable wind. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 50. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 1pm. High near 63. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%.
Wednesday Night
Showers, with thunderstorms also possible after 9pm. Low around 54. Southwest wind 3 to 5 mph. Chance of precipitation is 100%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Southwest wind 3 to 8 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before noon, then a slight chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 50.
Monday
A 20 percent chance of showers. Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.62°N 90.35°W (Elev. 499 ft)
Last Update:
10:46 am CST Mar 3, 2026
Forecast Valid:
11am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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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