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.

Light Rain

72°F

22°C

Humidity 84%
Wind Speed NE 6 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 25 Jun 4:51 pm CDT
Extended Forecast for

Maryland Heights MO

Flood Watch June 25, 05:50pm until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 25, 05:50pm until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • This Afternoon

    High: 73 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 69. East wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 69 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 4pm. High near 82. South wind 7 to 10 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Light and variable wind. Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Partly sunny, with a steady temperature around 73. Calm wind. Chance of precipitation is 70%.
Tonight
Showers and possibly a thunderstorm. Low around 69. East wind 3 to 6 mph. Chance of precipitation is 90%.
Friday
Showers and thunderstorms, mainly before 4pm. High near 82. South wind 7 to 10 mph. Chance of precipitation is 90%.
Friday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Light and variable wind. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryland Heights MO
 38.74°N 90.51°W (Elev. 420 ft)
Last Update:
5:26 pm CDT Jun 25, 2026
Forecast Valid:
5pm CDT Jun 25, 2026-6pm CDT Jul 2, 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