National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

71°F

22°C

Humidity 26%
Wind Speed SW 18 G 23 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 27 Feb 12:51 pm CST
Extended Forecast for

Greendale MO

Red Flag Warning February 27, 01:12pm until February 27, 06:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning February 27, 01:12pm until February 27, 06:00pm

    NOW until 6:00pm Fri

    Red Flag Warning

  • This Afternoon

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind around 7 mph becoming northeast after midnight.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain between 2pm and 5pm. Mostly sunny, with a high near 66. Northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. South wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 47. Northeast wind around 10 mph.

    High: 47 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Monday

    Monday: A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 39. Southwest wind around 7 mph becoming northeast after midnight.
Saturday
A slight chance of rain between 2pm and 5pm. Mostly sunny, with a high near 66. Northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 32. South wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph.
Sunday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 47. Northeast wind around 10 mph.
Sunday Night
Rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 44.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 38. Chance of precipitation is 70%.
Tuesday
Rain and possibly a thunderstorm. High near 59. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 80%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 64. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greendale MO
 38.69°N 90.31°W (Elev. 594 ft)
Last Update:
12:25 pm CST Feb 27, 2026
Forecast Valid:
1pm CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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