Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain

79°F

26°C

Humidity 77%
Wind Speed SE 9 G 17 mph
Barometer 29.97 in (1013.7 mb)
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Heat Index82°F (28°C)
Last update 4 Jul 2:51 pm CDT
Extended Forecast for

Maryland Heights MO

Severe T-storm Watch July 4, 03:33pm until July 4, 07:00pm
Extreme Heat Warning July 4, 03:33pm until July 4, 08:00pm
Flash Flood Warning until July 4, 05:30pm
Severe T-storm Warning until July 4, 04:15pm
Click here for hazard details and duration
Severe T-storm Watch
Extreme Heat Warning
Flash Flood Warning
Severe T-storm Warning
  •  
    Severe T-storm Watch July 4, 03:33pm until July 4, 07:00pm
    Extreme Heat Warning July 4, 03:33pm until July 4, 08:00pm
    Flash Flood Warning until July 4, 05:30pm
    Severe T-storm Warning until July 4, 04:15pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Independence Day

    High: 94 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 8pm. Some of the storms could be severe.  Low around 73. Light and variable wind.  Chance of precipitation is 80%.

    Low: 73 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 71. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 88. Northeast wind 3 to 7 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Independence Day
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Partly sunny, with a high near 94. Heat index values as high as 101. West wind around 6 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms, mainly before 8pm. Some of the storms could be severe. Low around 73. Light and variable wind. Chance of precipitation is 80%.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 71. North wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 88. Northeast wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Maryland Heights MO
 38.72°N 90.48°W (Elev. 440 ft)
3:26 pm CDT Jul 4, 2026
3pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026
 
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