Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

65°F

18°C

Humidity 20%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 17 Apr 12:07 PM PDT
Extended Forecast for

2 Miles S Portola Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. North northwest wind around 7 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West wind around 6 mph becoming calm  in the evening.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain before 11am, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 66. North northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 48.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 65.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50.
Tuesday
Rain before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
12:36 pm PDT Apr 17, 2026
1pm PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database