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

Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Current conditions at

STONYFORD (SYWC1)

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

NA

56°F

13°C

Humidity 82%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 03 Nov 11:26 PM PST
Extended Forecast for

21 Miles NE Lakeport CA

  • Tonight

    Tonight: Showers likely, mainly after 5am. Cloudy, with a low around 49. West southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely before 1pm, then a slight chance of showers after 4pm. Widespread haze before 3pm. Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 52. South southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 4am. Some of the storms could produce heavy rainfall. Low around 47. Breezy, with a south wind 20 to 28 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 47 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 50. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 50 °F

    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 44. West southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 10pm. Partly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Friday Night

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

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Cloudy, with a low around 49. West southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely before 1pm, then a slight chance of showers after 4pm. Widespread haze before 3pm. Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 52. South southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 4am. Some of the storms could produce heavy rainfall. Low around 47. Breezy, with a south wind 20 to 28 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 50. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 44. West southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
A 20 percent chance of showers after 10pm. Partly cloudy, with a low around 47.
Friday
A chance of showers. Partly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers. Partly sunny, with a high near 57.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 49.
Monday
A chance of showers. Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NE Lakeport CA
 39.27°N 122.69°W (Elev. 3845 ft)
Last Update:
2:07 pm PST Nov 3, 2025
Forecast Valid:
11pm PST Nov 3, 2025-6pm PST Nov 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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