Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

53°F

12°C

Humidity 90%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 21 Apr 05:07 PM PDT
Extended Forecast for

4 Miles WSW Portola Valley CA

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers between 11am and 1pm.  Mostly sunny, with a high near 61. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 61 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Northwest wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers between 11am and 1pm. Mostly sunny, with a high near 61. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 47. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portola Valley CA
 37.34°N 122.3°W (Elev. 597 ft)
2:36 pm PDT Apr 21, 2026
6pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database