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

65°F

18°C

Humidity 73%
Wind Speed S 3 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 13 Oct 6:53 am CDT
Extended Forecast for

Grantwood Village MO

  • Today

    Today: Sunny, with a high near 94. Southwest wind 6 to 8 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. Some of the storms could produce heavy rainfall. High near 82. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%.

    High: 82 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm, mainly after 1am. Low around 68. Light east wind. Chance of precipitation is 80%.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 83. Southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Southwest wind 6 to 8 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 73. South wind around 7 mph.
Wednesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. Some of the storms could produce heavy rainfall. High near 82. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%.
Wednesday Night
Showers and possibly a thunderstorm, mainly after 1am. Low around 68. Light east wind. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 83. Southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grantwood Village MO
 38.56°N 90.38°W (Elev. 597 ft)
Last Update:
6:11 am CDT Oct 13, 2026
Forecast Valid:
7am CDT Oct 13, 2026-6pm CDT Oct 19, 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