Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

59°F

15°C

Humidity 68%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 17 Jun 10:10 PM PDT
Extended Forecast for

Portola Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southwest wind 6 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 65. West wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. West wind around 15 mph, with gusts as high as 28 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 77. Light southwest wind becoming west 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 48. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 65. West wind 9 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 48. West wind around 15 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 66.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 48.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
2:14 pm PDT Jun 17, 2025
10pm PDT Jun 17, 2025-6pm PDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database