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.

Thunderstorm Light Rain

66°F

19°C

Humidity 75%
Wind Speed SE 12 mph
Barometer 29.84 in (1009.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 27 Apr 1:51 am CDT
Extended Forecast for

Greendale MO

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 63. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 83 °F

    Chance
    T-storms then
    Heavy Rain

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall. Low around 53. West wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 53 °F

    Heavy Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 72. Northwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 40%.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 51. Northeast wind 6 to 9 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 63. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall. Low around 53. West wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 72. Northwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 51. Northeast wind 6 to 9 mph. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 75.
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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:
1:26 am CDT Apr 27, 2026
Forecast Valid:
2am CDT Apr 27, 2026-6pm CDT May 3, 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