Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

57°F

14°C

Humidity 83%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 31 Mar 07:07 PM PDT
Extended Forecast for

4 Miles WSW Portola Valley CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 50. West southwest wind 5 to 8 mph becoming calm.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after noon.  Mostly cloudy, with a high near 60. South wind 7 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 45. Southwest wind 7 to 16 mph becoming north northwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 11am.  Sunny, with a high near 61. West northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon.

    High: 61 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. North wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

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

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 50. West southwest wind 5 to 8 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 60. South wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 45. Southwest wind 7 to 16 mph becoming north northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of rain before 11am. Sunny, with a high near 61. West northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 45. North wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portola Valley CA
 37.34°N 122.3°W (Elev. 597 ft)
1:31 pm PDT Mar 31, 2026
7pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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