Severe Thunderstorms Across the Upper Mississippi Valley and Central Plains; Excessive Rainfall Along the Texas Coast; Hot Conditions from the Ohio Valley to the Northeast

Scattered strong to severe thunderstorms capable of producing damaging winds, hail and heavy rainfall will be possible this afternoon over the Upper Mississippi Valley and Central Plains. A low pressure system in the Western Gulf of Mexico will bring heavy to excessive rainfall for much of South Texas. A dangerous heat wave will impact much of the Midwest to the Northeast through this week. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

77°F

25°C

Humidity 38%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 18 Jun 10:10 AM PDT
Extended Forecast for

Portola Valley CA

  • Today

    Today: Mostly sunny, with a high near 79. North northwest wind 5 to 11 mph becoming west southwest in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 73. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming calm  after midnight.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. North northwest wind 5 to 11 mph becoming west southwest in the afternoon.
Tonight
Mostly clear, with a low around 47. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 73. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 53.
Saturday
Sunny, with a high near 85.
Saturday Night
Clear, with a low around 52.
Sunday
Sunny, with a high near 78.
Sunday Night
Clear, with a low around 50.
Monday
Sunny, with a high near 79.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.37°N 122.22°W (Elev. 597 ft)
8:40 am PDT Jun 18, 2024
11am PDT Jun 18, 2024-6pm PDT Jun 24, 2024
 
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Additional Resources

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