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.

Mist

46°F

8°C

Humidity 93%
Wind Speed SSW 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Last update 09 Dec 01:35 PM PST
Extended Forecast for

6 Miles SW Saint Helena CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Calm wind.

    High: 58 °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

  • 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. Light north northeast wind.

    Low: 50 °F

    Mostly Clear

  • Thursday

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

    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 60.

    High: 60 °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

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Mostly clear, with a low around 51. Calm wind becoming north northeast around 5 mph after midnight.
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. Light north northeast wind.
Thursday
Sunny, with a high near 62. North northeast wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 45.
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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Saint Helena CA
 38.45°N 122.56°W (Elev. 1594 ft)
12:26 pm PST Dec 9, 2025
1pm PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database