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

LA HONDA (LAHC1)

Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.

NA

62°F

17°C

Humidity 44%
Wind Speed N 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 09 Dec 06:07 PM PST
Extended Forecast for

6 Miles NW Portola Valley CA

  • Tonight

    Tonight: Clear, with a low around 46. Northeast wind 3 to 5 mph.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind around 6 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. Northeast wind 3 to 5 mph.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. North wind around 5 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. Northeast wind 3 to 6 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 46. Northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 62. North wind around 6 mph.
Wednesday Night
Clear, with a low around 47. Northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 65. North wind around 5 mph.
Thursday Night
Clear, with a low around 47. Northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A slight chance of rain. Partly sunny, with a high near 61.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Portola Valley CA
 37.43°N 122.29°W (Elev. 1450 ft)
12:26 pm PST Dec 9, 2025
6pm PST Dec 9, 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