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

92°F

33°C

Humidity 22%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index89°F (32°C)
Last update 20 Mar 02:07 PM PDT
Extended Forecast for

2 Miles WSW Portola Valley CA

Heat Advisory March 20, 03:02pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 03:02pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 70. West southwest wind 6 to 11 mph becoming north northwest in the morning. Winds could gust as high as 22 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. North northwest wind 5 to 7 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West northwest wind 5 to 8 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 70. West southwest wind 6 to 11 mph becoming north northwest in the morning. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 49. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 68. North northwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 48. West northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 68.
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)
2:07 pm PDT Mar 20, 2026
3pm PDT Mar 20, 2026-6pm PDT Mar 27, 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