Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

66°F

19°C

Humidity 52%
Wind Speed S 8 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Last update 12 Nov 11:10 AM PST
Extended Forecast for

3 Miles WNW Saint Helena CA

  • Today

    Today: Partly sunny, with a high near 66. South wind 5 to 8 mph, with gusts as high as 23 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after 2am.  Mostly cloudy, with a low around 51. Light and variable wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 22 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly before 1pm.  Temperature falling to around 50 by 5pm. South wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F⇓

    Rain then
    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 2am.  Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Patchy fog before noon.  Otherwise, partly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 48. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain, mainly after 10am.  High near 54. Chance of precipitation is 90%.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

  • Monday

    Monday: A slight chance of rain.  Patchy fog before 7am.  Otherwise, partly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Today
Partly sunny, with a high near 66. South wind 5 to 8 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 51. Light and variable wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 1pm. Temperature falling to around 50 by 5pm. South wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 45. Calm wind.
Saturday
Patchy fog before noon. Otherwise, partly sunny, with a high near 58. Calm wind.
Saturday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 48. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly after 10am. High near 54. Chance of precipitation is 90%.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Patchy fog before 7am. Otherwise, partly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 55.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
Rain. Cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Helena CA
 38.53°N 122.52°W (Elev. 1079 ft)
10:49 am PST Nov 12, 2026
11am PST Nov 12, 2026-6pm PST Nov 18, 2026
 
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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