Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

47°F

8°C

Humidity 100%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 Mar 02:07 AM PDT
Extended Forecast for

4 Miles S Portola Valley CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a steady temperature around 55. North wind around 7 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. North northeast wind 6 to 8 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North wind 5 to 7 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. North wind around 6 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 68. North northwest wind 5 to 7 mph becoming northeast after midnight.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 55. North wind around 7 mph.
Sunday
Sunny, with a high near 75. North northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 64. North wind 5 to 7 mph.
Monday
Sunny, with a high near 82. North wind around 6 mph.
Monday Night
Clear, with a low around 68. North northwest wind 5 to 7 mph becoming northeast after midnight.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Clear, with a low around 70.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 69.
Thursday
Sunny, with a high near 86.
Thursday Night
Clear, with a low around 71.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.33°N 122.21°W (Elev. 2231 ft)
2:40 am PDT Mar 15, 2026
3am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database