Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

84°F

29°C

Humidity 46%
Wind Speed SW 12 mph
Barometer 30.15 in (1019.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Aug 11:51 am CDT
Extended Forecast for

Webster Groves MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. South wind around 7 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 95. South wind 5 to 8 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind around 7 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Southwest wind around 7 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. South wind around 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 71. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 95. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 75. South wind around 7 mph.
Monday
Sunny and hot, with a high near 99. Southwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 78.
Friday
A 20 percent chance of showers. Mostly sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Webster Groves MO
 38.6°N 90.35°W (Elev. 482 ft)
9:31 am CDT Aug 29, 2026
12pm CDT Aug 29, 2026-6pm CDT Sep 4, 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