Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. 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 30.16 in (1021.34 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Larkspur CA

  • Overnight

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

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 49. North northeast wind around 6 mph becoming calm  in the afternoon.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog after midnight.  Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Thursday

    Thursday: Sunny, with a high near 53. North northeast wind around 6 mph.

    High: 53 °F

    Sunny

  • Thursday Night

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

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 49. North northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Patchy dense fog after midnight. Otherwise, mostly clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 53. North northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 45.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 62.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
A chance of rain. Mostly cloudy, with a high near 63.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Larkspur CA
 37.96°N 122.52°W (Elev. 52 ft)
12:26 am PST Dec 10, 2025
2am PST Dec 10, 2025-6pm PST Dec 16, 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