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Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. 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 30.26 in (1024.72 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Larkspur CA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 56. North wind 3 to 5 mph.

    High: 56 °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: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64. Light north northeast wind.

    High: 64 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

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

    High: 65 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 45. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 56. North wind 3 to 5 mph.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 46. Calm wind.
Wednesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64. Light north northeast wind.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 47. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, sunny, with a high near 65.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 46.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 64.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 63.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Monday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Larkspur CA
 37.96°N 122.52°W (Elev. 52 ft)
Last Update:
12:26 pm PST Dec 8, 2025
Forecast Valid:
7pm PST Dec 8, 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