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

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

Novato / Gnoss Field (KDVO)

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

Mist

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Last update 09 Dec 07:55 AM PST
Extended Forecast for

2 Miles NE Petaluma CA

  • Today

    Today: Areas of fog before noon. Otherwise, mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Patchy dense fog. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before noon. Otherwise, sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of fog. Otherwise, partly cloudy, with a low around 40.

    Low: 40 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Areas of fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 39.

    Low: 39 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Areas Fog
    then Sunny

Detailed Forecast

Today
Areas of fog before noon. Otherwise, mostly sunny, with a high near 59. Calm wind.
Tonight
Patchy dense fog. Otherwise, partly cloudy, with a low around 40. Calm wind.
Wednesday
Areas of dense fog before noon. Otherwise, sunny, with a high near 62. Calm wind.
Wednesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63. Calm wind.
Thursday Night
Areas of fog. Otherwise, partly cloudy, with a low around 40.
Friday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 61.
Friday Night
Areas of fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 39.
Saturday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Areas of fog. Otherwise, partly cloudy, with a low around 40.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 58.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Monday
A slight chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Petaluma CA
 38.26°N 122.6°W (Elev. 108 ft)
Last Update:
2:42 am PST Dec 9, 2025
Forecast Valid:
8am PST Dec 9, 2025-6pm PST Dec 15, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation