National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

NA

50°F

10°C

Humidity 90%
Wind Speed ESE 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 07 Dec 01:54 PM PST
Extended Forecast for

3 Miles S Santa Rosa CA

Coastal Flood Advisory December 7, 02:03pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 7, 02:03pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog before 7pm, then patchy dense fog after 9pm. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Calm wind.

    High: 60 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 10pm, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. Light south southwest wind.
Tonight
Patchy dense fog before 7pm, then patchy dense fog after 9pm. Otherwise, partly cloudy, with a low around 40. Calm wind.
Monday
Areas of dense fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Calm wind.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 61. Calm wind.
Tuesday Night
Patchy fog before 10pm, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 45.
Thursday
Patchy fog before noon. Otherwise, sunny, with a high near 65.
Thursday Night
Patchy fog before midnight, then patchy fog after 5am. Otherwise, mostly clear, with a low around 44.
Friday
Patchy fog. Otherwise, sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Santa Rosa CA
 38.41°N 122.69°W (Elev. 630 ft)
Last Update:
12:41 pm PST Dec 7, 2025
Forecast Valid:
2pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation