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

54°F

12°C

Humidity 49%
Wind Speed SE 8 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 26 Feb 11:51 am CST
Extended Forecast for

Greendale MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. Light southwest wind.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70. Southwest wind 5 to 11 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Southwest wind 5 to 8 mph becoming north after midnight.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain. Mostly sunny, with a high near 64. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 64 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain and snow likely, mainly after noon. Cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain and snow, mainly before midnight. Low around 27. Chance of precipitation is 80%.

    Low: 27 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Light and variable wind.
Tonight
Clear, with a low around 38. Light southwest wind.
Friday
Sunny, with a high near 70. Southwest wind 5 to 11 mph.
Friday Night
Mostly clear, with a low around 42. Southwest wind 5 to 8 mph becoming north after midnight.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 64. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 31.
Sunday
Rain and snow likely, mainly after noon. Cloudy, with a high near 40. Chance of precipitation is 60%.
Sunday Night
Rain and snow, mainly before midnight. Low around 27. Chance of precipitation is 80%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 41. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 27.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 44.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
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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:
11:11 am CST Feb 26, 2026
Forecast Valid:
12pm CST Feb 26, 2026-6pm CST Mar 4, 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