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.

Mostly Cloudy

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 10 Dec 12:53 PM PST
Extended Forecast for

6 Miles SW Saint Helena CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. Calm wind.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northeast wind 3 to 6 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. East northeast wind around 6 mph becoming calm  in the morning.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. North northeast wind 3 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Northeast wind 3 to 7 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °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 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 59. Calm wind.
Tonight
Mostly clear, with a low around 50. Northeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 60. East northeast wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 49. North northeast wind 3 to 8 mph.
Friday
Sunny, with a high near 59. Northeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 47.
Monday
A slight chance of showers. Patchy fog. Otherwise, partly sunny, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Saint Helena CA
 38.45°N 122.56°W (Elev. 1594 ft)
12:37 pm PST Dec 10, 2025
1pm 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