Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >
Current conditions at
LA HONDA (LAHC1)
Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.NA
43°F
6°C
| Humidity | 64% |
| Wind Speed | ENE 4 MPH |
| Barometer | NA |
| Dewpoint | 32°F (0°C) |
| Visibility | NA |
| Wind Chill | 41°F (5°C) |
| Last update | 30 Dec 06:07 AM PST |
Extended Forecast for
4 Miles S Portola Valley CA
Today
High: 62 °F
Increasing
CloudsTonight
Low: 53 °F
Mostly Cloudy
then Chance
RainWednesday
High: 57 °F
Rain
Wednesday Night
Low: 51 °F
Rain
New Year's Day
High: 59 °F
Rain
Thursday Night
Low: 54 °F
Rain
Friday
High: 58 °F
Rain
Friday Night
Low: 49 °F
Rain
Saturday
High: 55 °F
Rain Likely
Detailed Forecast
Today
Increasing clouds, with a high near 62. East northeast wind 5 to 8 mph becoming southeast in the afternoon.
Tonight
A 30 percent chance of rain after 4am. Cloudy, with a steady temperature around 53. East wind 5 to 8 mph.
Wednesday
Rain, mainly after 10am. High near 57. East wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 51. Southeast wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 59. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 54. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 58. Chance of precipitation is 80%.
Friday Night
Rain. Cloudy, with a low around 49.
Saturday
Rain likely. Mostly cloudy, with a high near 55.
Saturday Night
Rain likely. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 47.
Monday
A chance of rain. Mostly cloudy, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Portola Valley CA
37.3°N 122.23°W (Elev. 1447 ft)
37.3°N 122.23°W (Elev. 1447 ft)
12:27 am PST Dec 30, 2025
6am PST Dec 30, 2025-6pm PST Jan 5, 2026
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