Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 20, 01:00 AM PST until February 20, 09:00 AM PST

Current conditions at

LA HONDA (LAHC1)

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

42°F

6°C

Humidity	98%
Wind Speed	ENE 4 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	19 Feb 12:07 AM PST

More Information:

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

Extended Forecast for

4 Miles S Portola Valley CA

Cold Weather Advisory February 20, 01:00am until February 20, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Overnight
Low: 39 °F
Rain and
Breezy
Thursday
High: 46 °F⇓
Breezy.
Rain/Snow
then Chance
Rain/Snow
Thursday Night
Low: 38 °F
Chance
Rain/Snow
then Slight
Chance Rain
Friday
High: 46 °F
Partly Sunny
Friday Night
Low: 41 °F
Partly Cloudy
Saturday
High: 52 °F
Chance Rain
Saturday Night
Low: 48 °F
Rain and
Breezy
Sunday
High: 56 °F
Rain and
Breezy
Sunday Night
Low: 54 °F
Rain and
Breezy

Detailed Forecast

Overnight

Rain. Low around 39. Breezy, with a south wind 14 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain and snow before 5pm, then a chance of rain. Temperature falling to around 39 by 10am. Breezy, with a west northwest wind 23 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday Night

A chance of rain and snow before 10pm, then a slight chance of rain. Partly cloudy, with a low around 38. Northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

Partly sunny, with a high near 46. North northeast wind around 5 mph becoming light and variable in the afternoon.

Friday Night

Partly cloudy, with a low around 41. Southeast wind 5 to 9 mph.

Saturday

A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 52. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Rain, mainly after 10pm. Low around 48. Breezy. Chance of precipitation is 80%.

Sunday

Rain. Mostly cloudy, with a high near 56. Breezy.

Sunday Night

Rain. Mostly cloudy, with a low around 54. Breezy.