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 >

Hazardous Weather Conditions

Special Weather Statement

Current conditions at

LA HONDA (LAHC1)

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

50°F

10°C

Humidity	89%
Wind Speed	SSW 5 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Wind Chill	48°F (9°C)
Last update	11 Apr 11:07 PM PDT

More Information:

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

Extended Forecast for

3 Miles SSW Portola Valley CA

Tonight
Low: 50 °F
Showers
Likely
Sunday
High: 54 °F
Showers
Likely
Sunday Night
Low: 47 °F
Chance
Showers
Monday
High: 60 °F
Mostly Sunny
Monday Night
Low: 49 °F
Mostly Clear
Tuesday
High: 61 °F
Mostly Sunny
Tuesday Night
Low: 47 °F
Mostly Clear
Wednesday
High: 61 °F
Mostly Sunny
Wednesday Night
Low: 50 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a steady temperature around 50. Southwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 54. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 47. West southwest wind 5 to 8 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 60. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Monday Night

Mostly clear, with a low around 49. West northwest wind 6 to 8 mph, with gusts as high as 18 mph.

Tuesday

Mostly sunny, with a high near 61.

Tuesday Night

Mostly clear, with a low around 47.

Wednesday

Mostly sunny, with a high near 61.

Wednesday Night

Partly cloudy, with a low around 50.