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 27%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index90°F (32°C)
Last update 20 Mar 03:07 PM PDT
Extended Forecast for

3 Miles SSW Portola Valley CA

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

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. West northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Northwest wind 5 to 8 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. West northwest wind 3 to 7 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 73. West northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 50. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 71. Northwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 49. West northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Portola Valley CA
 37.32°N 122.24°W (Elev. 997 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