National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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