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

60°F

16°C

Humidity 73%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 31 Mar 03:07 PM PDT
Extended Forecast for

3 Miles SSW Portola Valley CA

  • This Afternoon

    This Afternoon: A 50 percent chance of rain.  Partly sunny, with a high near 63. Southwest wind around 17 mph, with gusts as high as 24 mph.

    High: 63 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 4am.  Mostly cloudy, with a low around 52. West southwest wind 6 to 15 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 52 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after noon.  Mostly cloudy, with a high near 59. South southwest wind 9 to 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 45. Southwest wind 7 to 17 mph becoming north northwest after midnight. Winds could gust as high as 25 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 59. Northwest wind 7 to 15 mph.

    High: 59 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Partly sunny, with a high near 63. Southwest wind around 17 mph, with gusts as high as 24 mph.
Tonight
A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 52. West southwest wind 6 to 15 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Wednesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 59. South southwest wind 9 to 16 mph, with gusts as high as 23 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 17 mph becoming north northwest after midnight. Winds could gust as high as 25 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 59. Northwest wind 7 to 15 mph.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Portola Valley CA
 37.32°N 122.24°W (Elev. 997 ft)
1:31 pm PDT Mar 31, 2026
3pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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