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 >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

44°F

7°C

Humidity 99%
Wind Speed ENE 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 07 Dec 11:37 AM PST
Extended Forecast for

3 Miles SW Cotati CA

Coastal Flood Advisory December 7, 11:58am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 7, 11:58am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 59 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 43. West northwest wind around 6 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 58. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 41. South southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 43. West northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45.
Friday
Patchy fog. Otherwise, sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cotati CA
 38.31°N 122.75°W (Elev. 561 ft)
2:33 am PST Dec 7, 2025
11am PST Dec 7, 2025-6pm PST Dec 13, 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