


Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
77°F
25°C
Humidity | 82% |
Wind Speed | N 5 mph |
Barometer | 29.98 in (1014.9 mb) |
Dewpoint | 71°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 79°F (26°C) |
Last update | 13 Jul 2:53 pm CDT |
Extended Forecast for
Affton MO
This Afternoon
High: 77 °F
T-storms
LikelyTonight
Low: 70 °F
Chance
T-storms then
Partly CloudyMonday
High: 87 °F
Partly Sunny
Monday Night
Low: 72 °F
Mostly Cloudy
Tuesday
High: 91 °F
Partly Sunny
then Chance
T-stormsTuesday Night
Low: 73 °F
Slight Chance
T-stormsWednesday
High: 93 °F
Chance
T-stormsWednesday Night
Low: 75 °F
Slight Chance
T-stormsThursday
High: 94 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly before 5pm. Cloudy, with a steady temperature around 77. Light northwest wind. Chance of precipitation is 70%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70. Calm wind.
Monday
Partly sunny, with a high near 87. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Thursday Night
A 30 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. Partly sunny, with a high near 91.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly 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 92.
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)
4:21 pm CDT Jul 13, 2025
4pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025