



Severe Thunderstorms and Heavy Rain in the Mid-South, Tennessee and Ohio Valleys
Severe thunderstorms are likely across portions of the Mid-South, Tennessee Valley, and lower Ohio River Valley today, including damaging winds, hail, and tornadoes, a few of which could be strong. Heavy to excessive rainfall, which may lead to flooding, is expected over the Tennessee and lower Ohio Valleys today. Read More >
Current conditions at
LOS ALTOS (LOAC1)
Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.NA
81°F
27°C
Humidity | 27% |
Wind Speed | W 3 MPH |
Barometer | NA |
Dewpoint | 44°F (7°C) |
Visibility | NA |
Heat Index | 80°F (27°C) |
Last update | 20 May 03:10 PM PDT |
Extended Forecast for
2 Miles NNE Portola Valley CA
Tonight
Low: 48 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 49 °F
Mostly Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 47 °F
Mostly Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 48. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 80. Light and variable wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 49. Southwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 72. Southwest wind 5 to 13 mph becoming northwest in the morning.
Thursday Night
Mostly clear, with a low around 47. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 50.
Memorial Day
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNE Portola Valley CA
37.4°N 122.2°W (Elev. 397 ft)
37.4°N 122.2°W (Elev. 397 ft)
1:25 pm PDT May 20, 2025
3pm PDT May 20, 2025-6pm PDT May 27, 2025