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 93%
Wind Speed E 3 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 41°F (5°C)
Visibility 0.50 mi
Last update 09 Dec 05:20 AM PST
Extended Forecast for

4 Miles SSW Saint Helena CA

  • Today

    Today: Sunny, with a high near 59. North wind around 6 mph becoming calm  in the morning.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. North wind 3 to 6 mph.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. North northeast wind around 5 mph becoming calm  in the morning.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. North northeast wind around 6 mph becoming calm  in the morning.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °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 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 59. North wind around 6 mph becoming calm in the morning.
Tonight
Clear, with a low around 50. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 61. North northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 50. Calm wind becoming north northeast around 5 mph after midnight.
Thursday
Sunny, with a high near 62. North northeast wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Saint Helena CA
 38.46°N 122.5°W (Elev. 2372 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