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

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

63°F

17°C

Humidity 70%
Wind Speed N 15 G 20 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 Apr 10:54 pm CDT
Extended Forecast for

Gray Summit MO

  • Tonight

    Tonight: Cloudy, with a low around 51. North wind around 6 mph.

    Low: 51 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 66. North wind around 6 mph.

    High: 66 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Isolated showers after 4am. Mostly cloudy, with a low around 49. East wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Sunday

    Sunday: Scattered showers before 10am, then scattered showers and thunderstorms between 10am and 1pm, then scattered showers after 1pm. Mostly cloudy, with a high near 65. Southeast wind around 7 mph. Chance of precipitation is 50%.

    High: 65 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. Southeast wind around 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Cloudy, with a low around 51. North wind around 6 mph.
Saturday
Mostly cloudy, with a high near 66. North wind around 6 mph.
Saturday Night
Isolated showers after 4am. Mostly cloudy, with a low around 49. East wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday
Scattered showers before 10am, then scattered showers and thunderstorms between 10am and 1pm, then scattered showers after 1pm. Mostly cloudy, with a high near 65. Southeast wind around 7 mph. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 56. Southeast wind around 7 mph.
Monday
Partly sunny, with a high near 83.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gray Summit MO
 38.5°N 90.8°W (Elev. 791 ft)
Last Update:
10:21 pm CDT Apr 25, 2025
Forecast Valid:
11pm CDT Apr 25, 2025-6pm CDT May 2, 2025
 
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