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.

Thunderstorm

73°F

23°C

Humidity 94%
Wind Speed S 9 mph
Barometer 29.99 in (1014.6 mb)
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 15 Oct 11:51 am CDT
Extended Forecast for

Greendale MO

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. Southwest wind 8 to 10 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 4am. Increasing clouds, with a low around 49. Northwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 56. Northwest wind around 18 mph, with gusts as high as 30 mph.

    High: 56 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North wind 8 to 16 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. North wind around 6 mph becoming calm in the afternoon.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. Southwest wind 8 to 10 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 4am. Increasing clouds, with a low around 49. Northwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 56. Northwest wind around 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 41. North wind 8 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 60. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 77.
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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:
11:21 am CDT Oct 15, 2026
Forecast Valid:
12pm CDT Oct 15, 2026-6pm CDT Oct 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