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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Mist

55°F

13°C

Humidity 100%
Wind Speed SE 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Nov 10:35 AM PST
Extended Forecast for

7 Miles WSW Saint Helena CA

  • Today

    Today: A 20 percent chance of rain. Mostly sunny, with a high near 61. South southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Light west northwest wind.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Cloudy, with a low around 52. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 4pm. High near 57. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain. Mostly sunny, with a high near 61. South southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 49. Calm wind.
Saturday
Partly sunny, with a high near 66. Light west northwest wind.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 52. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, then showers and possibly a thunderstorm after 4pm. High near 57. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 56.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Saint Helena CA
 38.45°N 122.59°W (Elev. 535 ft)
Last Update:
2:03 am PST Nov 14, 2025
Forecast Valid:
10am PST Nov 14, 2025-6pm PST Nov 20, 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