Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

18°F

-8°C

Humidity 54%
Wind Speed NW 10 mph
Barometer 30.50 in (1034.7 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 31 Jan 1:51 pm CST
Extended Forecast for

Greendale MO

  • This Afternoon

    This Afternoon: Mostly sunny and cold, with a high near 20. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 20 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 5. West wind 3 to 7 mph.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of snow between 1pm and 5pm.  Increasing clouds, with a high near 31. Calm wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 20%.

    High: 31 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 20. South wind around 6 mph becoming light and variable  after midnight.

    Low: 20 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 38. Light and variable wind.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow.  Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny and cold, with a high near 20. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 5. West wind 3 to 7 mph.
Sunday
A slight chance of snow between 1pm and 5pm. Increasing clouds, with a high near 31. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 20. South wind around 6 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 38. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Greendale MO
 38.69°N 90.31°W (Elev. 594 ft)
2:26 pm CST Jan 31, 2026
2pm CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database