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

78°F

26°C

Humidity 31%
Wind Speed ESE 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index78°F (26°C)
Last update 18 Oct 03:26 PM PDT
Extended Forecast for

20 Miles SSE Alder Springs CA

  • Tonight

    Tonight: Clear, with a low around 51. Light and variable wind.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49. East northeast wind around 6 mph becoming north northwest in the evening.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51. North wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 51. Light and variable wind.
Sunday
Sunny, with a high near 75. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 49. East northeast wind around 6 mph becoming north northwest in the evening.
Monday
Sunny, with a high near 76. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 51. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
A chance of showers. Partly sunny, with a high near 67.
Friday Night
Showers likely. Mostly cloudy, with a low around 49.
Saturday
Showers. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles SSE Alder Springs CA
 39.38°N 122.57°W (Elev. 1220 ft)
Last Update:
2:22 pm PDT Oct 18, 2025
Forecast Valid:
4pm PDT Oct 18, 2025-6pm PDT Oct 25, 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