Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Affton MO

  • Today

    Today: Sunny, with a high near 46. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 28. Northwest wind 3 to 6 mph.

    Low: 28 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 49. North wind around 5 mph becoming calm  in the afternoon.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 28. Calm wind.

    Low: 28 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Calm wind.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 46. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 28. Northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 49. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 28. Calm wind.
Sunday
Sunny, with a high near 52. Calm wind.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 53.
Monday Night
Clear, with a low around 30.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Clear, with a low around 32.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Affton MO
 38.56°N 90.32°W (Elev. 564 ft)
12:25 am CST Nov 13, 2026
4am CST Nov 13, 2026-6pm CST Nov 19, 2026
 
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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