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 47%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 09 Dec 05:07 PM PST
Extended Forecast for

3 Miles SSW Portola Valley CA

  • Tonight

    Tonight: Clear, with a low around 52. Northeast wind 3 to 5 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. North northeast wind around 7 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Light north northeast wind.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. North wind around 6 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Light east northeast wind.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 52. Northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 65. North northeast wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 51. Light north northeast wind.
Thursday
Sunny, with a high near 67. North wind around 6 mph.
Thursday Night
Mostly clear, with a low around 50. Light east northeast wind.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
A slight chance of rain. Mostly sunny, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Portola Valley CA
 37.32°N 122.24°W (Elev. 997 ft)
12:26 pm PST Dec 9, 2025
5pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database