Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

66°F

19°C

Humidity 81%
Wind Speed SE 13 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 60°F (16°C)
Visibility 9.00 mi
Last update 20 Apr 11:51 am CDT
Extended Forecast for

3 Miles SSW Maryland Heights MO

Flood Watch April 20, 11:58am until April 21, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 20, 11:58am until April 21, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Today

    High: 76 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall.  Low around 52. South wind 13 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 100%.

    Low: 52 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 69. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 69 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. West wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 76. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Low around 52. South wind 13 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 69. West wind 10 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 48. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Maryland Heights MO
 38.69°N 90.48°W (Elev. 499 ft)
10:37 am CDT Apr 20, 2025
11am CDT Apr 20, 2025-6pm CDT Apr 26, 2025
 
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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