Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
75°F
24°C
| Humidity | 66% |
| Wind Speed | NE 3 mph |
| Barometer | 30.04 in (1016.8 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 24 Aug 7:53 pm CDT |
Extended Forecast for
Sappington MO
Tonight
Low: 66 °F
Chance
Showers then
Partly CloudyTuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 69 °F
Mostly Cloudy
Wednesday
High: 89 °F
Partly Sunny
then Slight
Chance
T-stormsWednesday Night
Low: 69 °F
Slight Chance
T-stormsThursday
High: 87 °F
Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 67 °F
Mostly Clear
Detailed Forecast
Tonight
A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 86. Southeast wind 3 to 5 mph.
Tuesday Night
Mostly cloudy, with a low around 69. Light southeast wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 69. Light west wind.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 74.
Monday
Mostly sunny, with a high near 94.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sappington MO
38.51°N 90.38°W (Elev. 607 ft)
38.51°N 90.38°W (Elev. 607 ft)
7:21 pm CDT Aug 24, 2026
8pm CDT Aug 24, 2026-6pm CDT Aug 31, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
