Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

43°F

6°C

Humidity 100%
Wind Speed ENE 3 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Last update 09 Dec 05:00 AM PST
Extended Forecast for

Angwin CA

  • Today

    Today: Sunny, with a high near 64. Calm wind.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 47. Light north northwest wind.

    Low: 47 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Light north northeast wind.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. Light north wind.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Light northeast wind.

    High: 67 °F

    Sunny

  • Thursday Night

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

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. Calm wind.
Tonight
Clear, with a low around 47. Light north northwest wind.
Wednesday
Sunny, with a high near 66. Light north northeast wind.
Wednesday Night
Clear, with a low around 47. Light north wind.
Thursday
Sunny, with a high near 67. Light northeast wind.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Angwin CA
 38.59°N 122.42°W (Elev. 1450 ft)
2:42 am PST Dec 9, 2025
5am PST Dec 9, 2025-6pm PST Dec 15, 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