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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

STONYFORD (SYWC1)

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

NA

74°F

23°C

Humidity 20%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 13 Jan 01:26 PM PST
Extended Forecast for

19 Miles E Potter Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. Light north northeast wind.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 51. North northeast wind around 8 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Northeast wind 5 to 8 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. North northeast wind around 8 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Northeast wind 7 to 9 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. Light north northeast wind.
Tonight
Clear, with a low around 51. North northeast wind around 8 mph.
Wednesday
Sunny, with a high near 62. Northeast wind 5 to 8 mph.
Wednesday Night
Clear, with a low around 50. North northeast wind around 8 mph.
Thursday
Sunny, with a high near 58. Northeast wind 7 to 9 mph.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 58.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 46.
M.L.King Day
Sunny, with a high near 57.
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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:
1:21 pm PST Jan 13, 2026
Forecast Valid:
2pm PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation