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.

Mostly Cloudy

92°F

33°C

Humidity 47%
Wind Speed SE 15 G 24 mph
Barometer 29.98 in (1013.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 9 Aug 3:51 pm CDT
Extended Forecast for

3 Miles SSW Maryland Heights MO

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South wind 7 to 11 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 9am and noon. Mostly sunny, with a high near 94. Heat index values as high as 100. South wind 7 to 9 mph.

    High: 94 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 3 to 6 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. South wind 7 to 11 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 9am and noon. Mostly sunny, with a high near 94. Heat index values as high as 100. South wind 7 to 9 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind 6 to 9 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 3 to 6 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Maryland Heights MO
 38.67°N 90.49°W (Elev. 486 ft)
Last Update:
3:46 pm CDT Aug 9, 2025
Forecast Valid:
4pm CDT Aug 9, 2025-6pm CDT Aug 16, 2025
 
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