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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

39°F

4°C

Humidity 82%
Wind Speed NW 5 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 23 Nov 2:53 am CST
Extended Forecast for

Affton MO

  • Overnight

    Overnight: Cloudy, with a low around 35. Light west wind.

    Low: 35 °F

    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 50. Light and variable wind.

    High: 50 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. South wind 3 to 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. South wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 53. South wind 6 to 8 mph.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before noon. Mostly cloudy, with a temperature rising to near 57 by 8am, then falling to around 49 during the remainder of the day.

    High: 57 °F⇓

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 35. Light west wind.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 50. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 39. South wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 65. South wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 53. South wind 6 to 8 mph.
Monday
A 20 percent chance of rain before noon. Mostly cloudy, with a temperature rising to near 57 by 8am, then falling to around 49 during the remainder of the day.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 46.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Thanksgiving Day
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 26.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 36.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Affton MO
 38.56°N 90.32°W (Elev. 564 ft)
Last Update:
2:36 am CST Nov 23, 2024
Forecast Valid:
3am CST Nov 23, 2024-6pm CST Nov 29, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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