Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

54°F

12°C

Humidity 91%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Nov 01:10 PM PST
Extended Forecast for

3 Miles SSE Portola Valley CA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain.  Partly sunny, with a high near 50. Northwest wind around 16 mph, with gusts as high as 20 mph.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 47. Northwest wind 7 to 14 mph becoming north northeast after midnight.

    Low: 47 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 53. North wind 7 to 10 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46. Light north wind.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. North wind 5 to 8 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Partly sunny, with a high near 50. Northwest wind around 16 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 47. Northwest wind 7 to 14 mph becoming north northeast after midnight.
Friday
Sunny, with a high near 53. North wind 7 to 10 mph.
Friday Night
Clear, with a low around 46. Light north wind.
Saturday
Sunny, with a high near 57. North wind 5 to 8 mph.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Portola Valley CA
 37.33°N 122.18°W (Elev. 1998 ft)
12:26 pm PST Nov 20, 2025
1pm PST Nov 20, 2025-6pm PST Nov 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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