Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

48°F

9°C

Humidity 99%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Apr 03:07 AM PDT
Extended Forecast for

4 Miles WSW Portola Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly between 11pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 53. Calm wind.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 63. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then rain likely after 11pm.  Mostly cloudy, with a low around 51. South southwest wind 3 to 7 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Saturday

    Saturday: Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm.  High near 59. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then rain after 2am.  Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 55. Calm wind.
Thursday
Partly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A chance of rain, mainly between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 63. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 51. South southwest wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm. High near 59. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 2am, then rain after 2am. Low around 46. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 58.
Sunday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
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)
1:26 am PDT Apr 9, 2026
3am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database