Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Overcast

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Last update 10 Dec 08:53 AM PST
Extended Forecast for

7 Miles WSW Saint Helena CA

  • Today

    Today: Patchy fog before 10am.  Otherwise, sunny, with a high near 52. Calm wind.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Light east northeast wind.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 52. Calm wind.
Tonight
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 57. Calm wind.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 60. Light east northeast wind.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Monday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Saint Helena CA
 38.45°N 122.59°W (Elev. 535 ft)
12:26 am PST Dec 10, 2025
9am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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