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.

Overcast

45°F

7°C

Humidity 93%
Wind Speed SE 4 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 08 Dec 12:15 AM PST
Extended Forecast for

4 Miles NNW San Rafael CA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Monday

    Monday: Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Light northeast wind.

    High: 57 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 59. Light northeast wind.

    High: 59 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Monday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Light northeast wind.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 59. Light northeast wind.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 46. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 46.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW San Rafael CA
 38.03°N 122.53°W (Elev. 66 ft)
Last Update:
12:26 am PST Dec 8, 2025
Forecast Valid:
12am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation