Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

53°F

12°C

Humidity 72%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Jun 06:10 AM PDT
Extended Forecast for

3 Miles SSE Portola Valley CA

  • Today

    Today: A slight chance of drizzle before 11am.  Sunny, with a high near 60. West wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 60 °F

    Slight Chance
    Drizzle then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. West northwest wind 9 to 17 mph, with gusts as high as 32 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65. West northwest wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53. West northwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68. West northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 68 °F

    Sunny

  • Sunday Night

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

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of drizzle before 11am. Sunny, with a high near 60. West wind 13 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 49. West northwest wind 9 to 17 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 65. West northwest wind 9 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 53. West northwest wind 9 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 68. West northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Portola Valley CA
 37.33°N 122.18°W (Elev. 1998 ft)
2:15 am PDT Jun 20, 2025
7am PDT Jun 20, 2025-6pm PDT Jun 26, 2025
 
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Additional Resources

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