Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
19°F
-7°C
| Humidity | 52% |
| Wind Speed | NW 13 mph |
| Barometer | 30.28 in (1026.1 mb) |
| Dewpoint | 4°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 17 Mar 8:53 am CDT |
Extended Forecast for
Affton MO
Today
High: 36 °F
Increasing
CloudsTonight
Low: 32 °F
Chance Snow
then Chance
Rain/SnowWednesday
High: 65 °F
Becoming
SunnyWednesday Night
Low: 44 °F
Mostly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 77 °F
Sunny
Friday Night
Low: 51 °F
Mostly Clear
Saturday
High: 79 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 36. Northwest wind around 6 mph becoming light and variable in the afternoon.
Tonight
A chance of snow before 3am, then a chance of rain. Cloudy, with a low around 32. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South wind 7 to 9 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 44. Calm wind.
Thursday
Mostly sunny, with a high near 74. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Affton MO
38.56°N 90.32°W (Elev. 564 ft)
38.56°N 90.32°W (Elev. 564 ft)
6:56 am CDT Mar 17, 2026
9am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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