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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

STONYFORD (SYWC1)

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

NA

63°F

17°C

Humidity 63%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 05 Jul 02:26 AM PDT
Extended Forecast for

19 Miles E Potter Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. West southwest wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Northeast wind 5 to 7 mph becoming south in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Calm wind.
Sunday
Mostly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 60. West southwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 77. Northeast wind 5 to 7 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 60. Southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles E Potter Valley CA
 39.32°N 122.76°W (Elev. 3999 ft)
Last Update:
2:00 am PDT Jul 5, 2026
Forecast Valid:
3am PDT Jul 5, 2026-6pm PDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation