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 E 3 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 43°F (6°C)
Visibility 1.00 mi
Last update 10 Dec 10:00 AM PST
Extended Forecast for

6 Miles SW Saint Helena CA

  • Today

    Today: Sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. North northeast wind around 5 mph becoming calm  in the morning.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. East northeast wind 3 to 6 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Light and variable wind.
Tonight
Mostly clear, with a low around 51. Calm wind becoming north northeast around 5 mph after midnight.
Thursday
Sunny, with a high near 62. North northeast wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 48. Calm wind becoming north northeast around 5 mph after midnight.
Friday
Sunny, with a high near 61. East northeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 56.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Saint Helena CA
 38.45°N 122.56°W (Elev. 1594 ft)
12:26 am PST Dec 10, 2025
10am 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