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.

Mostly Cloudy

60°F

16°C

Humidity 62%
Wind Speed S 13 mph
Barometer 29.61 in (1002.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Mar 2:51 am CDT
Extended Forecast for

Brentwood MO

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. South wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 67. Breezy, with a south wind 16 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain and snow likely before 3am, then a slight chance of snow between 3am and 4am. Mostly cloudy, with a low around 21. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow
    and Blustery

  • Monday

    Monday: A slight chance of snow between 7am and 1pm. Partly sunny, with a high near 31. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 65.

    High: 65 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. South wind 11 to 13 mph, with gusts as high as 24 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 67. Breezy, with a south wind 16 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Sunday Night
Rain and snow likely before 3am, then a slight chance of snow between 3am and 4am. Mostly cloudy, with a low around 21. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow between 7am and 1pm. Partly sunny, with a high near 31. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 15. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
A chance of snow between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 70.
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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:
2:11 am CDT Mar 15, 2026
Forecast Valid:
3am CDT Mar 15, 2026-6pm CDT Mar 21, 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