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

DW7094 Mill Valley (D7094)

Lat: 37.91333°NLon: 122.54833°WElev: 190.0ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Larkspur CA

  • Tonight

    Tonight: Areas of dense fog. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Tuesday

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

    High: 61 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Wednesday

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

    High: 64 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Areas of dense fog. Otherwise, partly cloudy, with a low around 43. Calm wind.
Monday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 49. Calm wind.
Monday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 46. Calm wind.
Tuesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 61. Light north wind.
Tuesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 47. Calm wind.
Wednesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 47.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 46.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 46.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 63.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Larkspur CA
 37.93°N 122.54°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
 
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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