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

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

Current conditions at

LA HONDA (LAHC1)

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

NA

40°F

4°C

Humidity 91%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 17 Feb 10:07 PM PST
Extended Forecast for

2 Miles WSW Portola Valley CA

Cold Weather Advisory February 18, 12:00am until February 18, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Rain and snow showers likely before 4am, then rain likely between 4am and 5am, then rain likely, possibly mixed with snow after 5am. Some thunder is also possible. Mostly cloudy, with a steady temperature around 40. West wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Partly sunny, with a high near 46. West wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain Likely
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Steady temperature around 43. South southwest wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 4pm. High near 45. Northwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 10pm. Partly cloudy, with a low around 37. North northwest wind 7 to 14 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain before 4pm. Mostly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Saturday

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

    High: 52 °F

    Chance Rain

  • Saturday Night

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

    Low: 47 °F

    Rain and
    Breezy

Detailed Forecast

Tonight
Rain and snow showers likely before 4am, then rain likely between 4am and 5am, then rain likely, possibly mixed with snow after 5am. Some thunder is also possible. Mostly cloudy, with a steady temperature around 40. West wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly before noon. Partly sunny, with a high near 46. West wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly after 10pm. Steady temperature around 43. South southwest wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain, mainly before 4pm. High near 45. Northwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of rain, mainly before 10pm. Partly cloudy, with a low around 37. North northwest wind 7 to 14 mph, with gusts as high as 28 mph.
Friday
A 20 percent chance of rain before 4pm. Mostly sunny, with a high near 49.
Friday Night
A 30 percent chance of rain, mainly between 10pm and 4am. Mostly 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. Mostly cloudy, with a high near 55. Breezy.
Sunday Night
Rain. Cloudy, with a low around 51. Breezy.
Monday
Rain. Cloudy, with a high near 57.
Monday Night
Rain. Cloudy, with a low around 50.
Tuesday
Rain. Cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Portola Valley CA
 37.37°N 122.25°W (Elev. 1473 ft)
Last Update:
2:05 pm PST Feb 17, 2026
Forecast Valid:
10pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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