Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Snow

35°F

2°C

Humidity 38%
Wind Speed SE 14 G 23 mph
Barometer 30.15 in (1022.2 mb)
Dewpoint 12°F (-11°C)
Visibility 9.00 mi
Wind Chill26°F (-3°C)
Last update 17 Mar 9:51 pm CDT
Extended Forecast for

Brentwood MO

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 10pm.  Cloudy, with a low around 32. Southeast wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Chance Snow
    then Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 65. South wind around 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 74 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. North wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before 10pm. Cloudy, with a low around 32. Southeast wind 8 to 11 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 65. South wind around 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 46. Light and variable wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 46. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood MO
 38.62°N 90.35°W (Elev. 499 ft)
9:21 pm CDT Mar 17, 2026
9pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database