


Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Mostly Cloudy
72°F
22°C
Humidity | 97% |
Wind Speed | Calm |
Barometer | 30.03 in (1016.4 mb) |
Dewpoint | 71°F (22°C) |
Visibility | 10.00 mi |
Last update | 14 Jul 1:53 am CDT |
Extended Forecast for
Affton MO
Overnight
Low: 70 °F
Mostly Cloudy
Monday
High: 87 °F
Mostly Cloudy
then Slight
Chance
T-stormsMonday Night
Low: 72 °F
Mostly Cloudy
Tuesday
High: 89 °F
Partly Sunny
then Chance
T-stormsTuesday Night
Low: 73 °F
Slight Chance
T-storms then
Slight Chance
ShowersWednesday
High: 95 °F
Mostly Sunny
then Slight
Chance
T-stormsWednesday Night
Low: 77 °F
Slight Chance
T-stormsThursday
High: 95 °F
Sunny then
Chance
T-stormsThursday Night
Low: 74 °F
Chance
T-storms
Detailed Forecast
Overnight
Mostly cloudy, with a low around 70. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Affton MO
38.56°N 90.32°W (Elev. 564 ft)
38.56°N 90.32°W (Elev. 564 ft)
1:51 am CDT Jul 14, 2025
2am CDT Jul 14, 2025-6pm CDT Jul 20, 2025