Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

75°F

24°C

Humidity 56%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 27 Aug 12:07 PM PDT
Extended Forecast for

6 Miles S Portola Valley CA

Red Flag Warning August 28, 05:00am until August 28, 03:00pm
Click here for hazard details and duration
Red Flag Warning
  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. West wind 6 to 8 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am.  Mostly cloudy, with a low around 56. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Cloudy, then gradually becoming mostly sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 73 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 70. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 8pm.  Otherwise, partly cloudy, with a low around 50.

    Low: 50 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 67.

    High: 67 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. West wind 6 to 8 mph.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 56. West northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 70. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68.
Sunday Night
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 50.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 67.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 49.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 69.
Tuesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 50.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Portola Valley CA
 37.28°N 122.23°W (Elev. 807 ft)
11:46 am PDT Aug 27, 2026
12pm PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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