Multiple Days of Severe Weather from Thunderstorms and Wildfires

Active spring pattern across the center of the nation with several rounds of severe thunderstorms in the forecast through the weekend. The regions under the greatest threats are the southern Plains into the Mississippi Valley. Meanwhile, dry and breezy conditions with dry fuels are aiding in wildfires across the western High Plains and the Southeast. Wind and some snow for northern Rockies. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

54°F

12°C

Humidity 74%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 24 Apr 08:10 PM PDT
Extended Forecast for

2 Miles NNW Portola Valley CA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 51. Light west wind.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain before 2am, then a slight chance of rain after 3am.  Mostly cloudy, with a low around 50. South southwest wind 3 to 6 mph.  Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 11am.  Mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 65 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

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

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 51. Light west wind.
Saturday
Mostly cloudy, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Saturday Night
A slight chance of rain before 2am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 50. South southwest wind 3 to 6 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain before 11am. Mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 48. West wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Clear, with a low around 48.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Portola Valley CA
 37.42°N 122.23°W (Elev. 397 ft)
11:27 pm PDT Apr 24, 2026
11pm PDT Apr 24, 2026-6pm PDT May 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database