National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 100%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Apr 07:07 AM PDT
Extended Forecast for

6 Miles NW Portola Valley CA

  • Today

    Today: Mostly sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain, mainly between midnight and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Slight Chance
    Rain then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 61. South wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °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 around 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 57. South southwest wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °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%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers

  • Sunday Night

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

    Low: 46 °F

    Chance Rain

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
A chance of rain, mainly between midnight and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening. 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 61. South wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 51. South southwest wind around 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 57. South southwest wind 6 to 11 mph, with gusts as high as 28 mph. 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%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 56. Chance of precipitation is 80%.
Sunday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Portola Valley CA
 37.43°N 122.29°W (Elev. 1450 ft)
Last Update:
1:26 am PDT Apr 9, 2026
Forecast Valid:
8am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation