National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed S 6 mph
Barometer 29.92 in (1011.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 11 Jul 2:51 am CDT
Extended Forecast for

Webster Groves MO

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 84. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy during the early evening, then becoming clear, with a low around 69. North wind 3 to 7 mph.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. North wind 6 to 10 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 68. Northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 68 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 84. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 80%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy during the early evening, then becoming clear, with a low around 69. North wind 3 to 7 mph.
Sunday
Sunny, with a high near 86. North wind 6 to 10 mph.
Sunday Night
Clear, with a low around 68. Northeast wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Webster Groves MO
 38.6°N 90.35°W (Elev. 482 ft)
Last Update:
1:26 am CDT Jul 11, 2026
Forecast Valid:
3am CDT Jul 11, 2026-6pm CDT Jul 17, 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