Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

LA HONDA (LAHC1)

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

52°F

11°C

Humidity	99%
Wind Speed	ESE 0 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	11 Apr 03:07 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles WNW Portola Valley CA

Overnight
Low: 48 °F
Slight Chance
Rain
Saturday
High: 58 °F
Chance Rain
then Heavy
Rain
Saturday Night
Low: 45 °F
Heavy Rain
Sunday
High: 56 °F
Showers
Sunday Night
Low: 46 °F
Slight Chance
Rain
Monday
High: 61 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 61 °F
Mostly Sunny
Tuesday Night
Low: 47 °F
Mostly Clear

Detailed Forecast

Overnight

A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 48. Southwest wind around 11 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 58. South southwest wind 13 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 45. Southwest wind 16 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and possibly a thunderstorm. High near 56. Southwest wind 11 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 20 percent chance of rain. Partly cloudy, with a low around 46. West southwest wind 6 to 9 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 61.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Mostly sunny, with a high near 61.

Tuesday Night

Mostly clear, with a low around 47.

Wednesday

Mostly sunny, with a high near 62.

Wednesday Night

Partly cloudy, with a low around 47.