Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

72°F

22°C

Humidity 31%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 11 Dec 10:07 AM PST
Extended Forecast for

2 Miles WSW Portola Valley CA

  • Today

    Today: Sunny, with a high near 62. North northeast wind around 9 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. East northeast wind around 7 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62. Northeast wind around 7 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. Calm wind becoming southeast around 6 mph in the evening.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Southeast wind around 5 mph becoming calm  in the morning.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. North northeast wind around 9 mph.
Tonight
Clear, with a low around 50. East northeast wind around 7 mph.
Friday
Sunny, with a high near 62. Northeast wind around 7 mph.
Friday Night
Mostly clear, with a low around 48. Calm wind becoming southeast around 6 mph in the evening.
Saturday
Sunny, with a high near 62. Southeast wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 60.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Portola Valley CA
 37.37°N 122.25°W (Elev. 1473 ft)
2:25 am PST Dec 11, 2025
10am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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