On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Flash flood threat forecast from southwestern Texas to the Appalachians on Wednesday

Heavy rainfall will be possible along a frontal boundary that will extend from Maine to far southwestern Texas on Wednesday. Rainfall amounts of 2 to 4 inches will be possible with some locations seeing 5 to 6 inches especially across the southern Plains. Flash flooding will be possible mainly from southwestern Texas to the central Appalachians. Remember: Turn Around, Don't Drown.
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Current conditions at

LA HONDA (LAHC1)

Lat: 37.305233°NLon: 122.255253°WElev: 804ft.

NA

61°F

16°C

Humidity 74%
Wind Speed W 2 G 8 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 07 Jul 8:07 pm PDT
Extended Forecast for

8 Miles S Portola Valley CA

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 54. Northwest wind 5 to 7 mph.

    Patchy Fog

    Low: 54 °F

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 78. Light northwest wind becoming west 8 to 13 mph in the morning.

    Patchy Fog
    then Partly
    Sunny

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

    Low: 55 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 11am.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    Slight Chance
    T-storms and
    Patchy Fog

    High: 77 °F

  • Thursday
    Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 56. West wind 5 to 10 mph becoming light  in the evening.

    Patchy Fog

    Low: 56 °F

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 77.

    Patchy Fog
    then Mostly
    Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54. Northwest wind 5 to 7 mph.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 78. Light northwest wind becoming west 8 to 13 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. West wind 5 to 10 mph becoming light in the evening.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 84.
  Click Map For Forecast
Point Forecast:
8 Miles S Portola Valley CA
 37.26°N 122.22°W (Elev. 449 ft)
8:47 pm PDT Jul 7, 2015
9pm PDT Jul 7, 2015-6pm PDT Jul 14, 2015
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Graph

National Digital Forecast Database