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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

83°F

28°C

Humidity 53%
Wind Speed S 5 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 30 Jul 11:53 am CDT
Extended Forecast for

Webster Groves MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. East wind around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. East wind 5 to 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 85. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 70. Southeast wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.

    Low: 70 °F

    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. East wind around 6 mph.
Tonight
Partly cloudy, with a low around 70. East wind 5 to 7 mph.
Friday
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 85. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 70. Southeast wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 67.
Monday
A 20 percent chance of showers after 1pm. Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 68.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Webster Groves MO
 38.58°N 90.35°W (Elev. 531 ft)
Last Update:
9:46 am CDT Jul 30, 2026
Forecast Valid:
12pm CDT Jul 30, 2026-6pm CDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation