Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

47°F

8°C

Humidity 54%
Wind Speed N 14 G 23 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 12 Nov 2:54 pm CST
Extended Forecast for

Byrnes Mill MO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 46. North wind 3 to 8 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Light north wind.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 46. North wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 25. Light north wind.
Saturday
Sunny, with a high near 49. Calm wind.
Saturday Night
Mostly clear, with a low around 25. Calm wind.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 55.
Monday Night
Clear, with a low around 28.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Clear, with a low around 29.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Byrnes Mill MO
 38.43°N 90.58°W (Elev. 495 ft)
3:01 pm CST Nov 12, 2026
3pm CST Nov 12, 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