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

40°F

4°C

Humidity 97%
Wind Speed SE 12 mph
Barometer 30.07 in (1018.7 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Wind Chill33°F (1°C)
Last update 3 Mar 6:51 am CST
Extended Forecast for

Brentwood MO

  • Today

    Today: Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before noon. High near 58. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.

    High: 58 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Patchy fog after 8pm. Low around 48. Northeast wind 3 to 6 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Patchy fog before 10am. High near 64. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 90%.

    High: 64 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 54. Southwest wind 3 to 6 mph. Chance of precipitation is 90%.

    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
Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before noon. High near 58. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm. Patchy fog after 8pm. Low around 48. Northeast wind 3 to 6 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. Patchy fog before 10am. High near 64. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 54. Southwest wind 3 to 6 mph. Chance of precipitation is 90%.
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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.62°N 90.35°W (Elev. 499 ft)
Last Update:
4:46 am CST Mar 3, 2026
Forecast Valid:
7am 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