Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

LA HONDA (LAHC1)

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

NA

69°F

21°C

Humidity 49%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 20 Mar 07:07 AM PDT
Extended Forecast for

2 Miles WSW Portola Valley CA

Heat Advisory March 20, 08:06am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 08:06am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West southwest wind 3 to 6 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Northwest wind 6 to 8 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 85. Light and variable wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. West southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 71. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 50. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 71. Northwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Portola Valley CA
 37.37°N 122.25°W (Elev. 1473 ft)
2:22 am PDT Mar 20, 2026
8am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database