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

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 30 Jul 9:53 pm CDT
Extended Forecast for

Sappington MO

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind becoming north around 6 mph after midnight.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 79. North wind 6 to 11 mph.

    High: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 65. North wind 6 to 8 mph.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Northeast wind 6 to 9 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Northeast wind 5 to 8 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind becoming north around 6 mph after midnight.
Thursday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 79. North wind 6 to 11 mph.
Thursday Night
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 65. North wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 81. Northeast wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 61. Northeast wind 5 to 8 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sappington MO
 38.51°N 90.38°W (Elev. 607 ft)
Last Update:
10:26 pm CDT Jul 30, 2025
Forecast Valid:
10pm CDT Jul 30, 2025-6pm CDT Aug 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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