Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

66°F

19°C

Humidity 75%
Wind Speed E 7 mph
Barometer 30.08 in (1017.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 7 Sep 5:51 am CDT
Extended Forecast for

Webster Groves MO

  • Labor Day

    Labor Day: Partly sunny, then gradually becoming sunny, with a high near 89. East wind 3 to 7 mph.

    High: 89 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. East wind 3 to 7 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 96. South wind 3 to 6 mph.

    High: 96 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 99. South wind around 8 mph becoming west in the afternoon.  Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Labor Day
Partly sunny, then gradually becoming sunny, with a high near 89. East wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 64. East wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 96. South wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 74. South wind 5 to 7 mph.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. South wind around 8 mph becoming west in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 72. Chance of precipitation is 80%.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 65.
Friday
Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Webster Groves MO
 38.6°N 90.35°W (Elev. 482 ft)
5:41 am CDT Sep 7, 2026
6am CDT Sep 7, 2026-6pm CDT Sep 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database