Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 18, 12:00 AM PST until February 18, 09:00 AM PST

Current conditions at

LA HONDA (LAHC1)

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

39°F

4°C

Humidity	96%
Wind Speed	WNW 0 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	18 Feb 12:07 AM PST

More Information:

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

Extended Forecast for

2 Miles WSW Portola Valley CA

Cold Weather Advisory until February 18, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until February 18, 09:00am
NOW until 9:00am Wed
Cold Weather Advisory
Overnight
Low: 37 °F
Rain/Snow
Likely and
Breezy
Wednesday
High: 45 °F
Rain then
Chance Rain
Wednesday Night
Low: 43 °F
Rain Likely
then Rain
Thursday
High: 45 °F
Rain then
Chance Rain
Thursday Night
Low: 38 °F
Chance Rain
Friday
High: 48 °F
Mostly Sunny
Friday Night
Low: 39 °F
Partly Cloudy
then Slight
Chance Rain
Saturday
High: 52 °F
Chance Rain

Detailed Forecast

Overnight

Rain likely, possibly mixed with snow before 2am, then a chance of rain. Mostly cloudy, with a low around 37. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph. Winds could gust as high as 37 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday

Rain, mainly before 2pm. High near 45. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain, mainly after 11pm. Steady temperature around 43. South wind 12 to 17 mph becoming light and variable. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain, mainly before 10am. High near 45. West northwest wind 10 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

A 30 percent chance of rain, mainly before 10pm. Partly cloudy, with a low around 38. Northwest wind 9 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

Mostly sunny, with a high near 48.

Friday Night

A 10 percent chance of rain after 4am. Partly cloudy, with a low around 39.

Saturday

A chance of rain, mainly after 10am. Partly sunny, with a high near 52.

Saturday Night

Rain, mainly after 10pm. Mostly cloudy, with a low around 47. Breezy.

Sunday

Rain. Cloudy, with a high near 56. Breezy.

Sunday Night

Rain. Cloudy, with a low around 52. Breezy.