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.

Partly Cloudy

52°F

11°C

Humidity 75%
Wind Speed N 9 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 15 Feb 12:51 pm CST
Extended Forecast for

Greendale MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 59. North wind 3 to 7 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 66. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. South wind around 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. South wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 59. North wind 3 to 7 mph.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 40. Light and variable wind.
Washington's Birthday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 66. Light southwest wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 45. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 66. South wind 6 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 58.
Friday Night
A 20 percent chance of snow. Low around 37.
Saturday
High near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greendale MO
 38.69°N 90.31°W (Elev. 594 ft)
Last Update:
12:31 pm CST Feb 15, 2026
Forecast Valid:
1pm CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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