Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

50°F

10°C

Humidity 81%
Wind Speed WSW 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 08 Dec 03:35 PM PST
Extended Forecast for

5 Miles SSW Saint Helena CA

  • Tonight

    Tonight: Mostly clear, with a low around 48. Light northwest wind.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Calm wind becoming north around 5 mph after midnight.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. North wind around 5 mph becoming calm  in the morning.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Light north wind.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °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 63.

    High: 63 °F

    Sunny

  • Friday Night

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

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Light northwest wind.
Tuesday
Sunny, with a high near 61. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 49. Calm wind becoming north around 5 mph after midnight.
Wednesday
Sunny, with a high near 63. North wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 49. Light north wind.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
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:
5 Miles SSW Saint Helena CA
 38.44°N 122.5°W (Elev. 1398 ft)
12:26 pm PST Dec 8, 2025
3pm PST Dec 8, 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