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 >

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Mist

46°F

8°C

Humidity 93%
Wind Speed ESE 3 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Last update 07 Dec 08:35 PM PST
Extended Forecast for

5 Miles NW Sonoma CA

  • Tonight

    Tonight: Widespread dense fog, mainly between 11pm and 2am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Dense Fog

  • Monday

    Monday: Widespread dense fog, mainly before 10am. Otherwise, sunny, with a high near 49. Calm wind.

    High: 49 °F

    Dense Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread fog, mainly between 11pm and midnight. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Areas Fog
    then Sunny

  • Wednesday Night

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

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before noon. Otherwise, sunny, with a high near 67.

    High: 67 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 3am. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Patchy Fog

Detailed Forecast

Tonight
Widespread dense fog, mainly between 11pm and 2am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Monday
Widespread dense fog, mainly before 10am. Otherwise, sunny, with a high near 49. Calm wind.
Monday Night
Widespread fog, mainly between 11pm and midnight. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Tuesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, sunny, with a high near 68.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 45.
Thursday
Areas of fog before noon. Otherwise, sunny, with a high near 67.
Thursday Night
Patchy fog before 3am. Otherwise, mostly clear, with a low around 44.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 43.
Saturday
Patchy fog. Otherwise, sunny, with a high near 66.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Sunday
Areas of fog. Otherwise, mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Sonoma CA
 38.35°N 122.5°W (Elev. 197 ft)
Last Update:
8:31 pm PST Dec 7, 2025
Forecast Valid:
9pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation