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

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

74°F

23°C

Humidity 33%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 17 Oct 05:26 PM PDT
Extended Forecast for

15 Miles S Alder Springs CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind becoming north around 5 mph after midnight.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. West wind around 5 mph becoming light and variable in the morning.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind 3 to 6 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Light and variable wind becoming northwest 5 to 7 mph after midnight.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Calm wind becoming north around 5 mph after midnight.
Saturday
Sunny, with a high near 58. West wind around 5 mph becoming light and variable in the morning.
Saturday Night
Mostly clear, with a low around 47. Calm wind becoming west northwest around 5 mph after midnight.
Sunday
Sunny, with a high near 57. Northwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 45. Light and variable wind becoming northwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Friday
Showers likely. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Alder Springs CA
 39.42°N 122.7°W (Elev. 4393 ft)
Last Update:
5:21 pm PDT Oct 17, 2025
Forecast Valid:
5pm PDT Oct 17, 2025-6pm PDT Oct 24, 2025
 
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