National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

52°F

11°C

Humidity 100%
Wind Speed SSW 17 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 01 Jan 03:28 PM PST
Extended Forecast for

3 Miles NW Danville CA

  • New Year's Day

    New Year's Day: A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 57. South wind around 15 mph, with gusts as high as 24 mph.

    High: 57 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49. South southeast wind 9 to 13 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Rain likely after 4pm. Mostly cloudy, with a high near 61. South southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 53. Southeast wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. South wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 52. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Rain. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain

  • Monday

    Monday: Rain likely. Cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

New Year's Day
A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 57. South wind around 15 mph, with gusts as high as 24 mph.
Tonight
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49. South southeast wind 9 to 13 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely after 4pm. Mostly cloudy, with a high near 61. South southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 53. Southeast wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 60. South wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 52. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 56. Chance of precipitation is 100%.
Sunday Night
Rain. Mostly cloudy, with a low around 46.
Monday
Rain likely. Cloudy, with a high near 55.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 43.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 55.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 54.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Danville CA
 37.86°N 122.03°W (Elev. 397 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
4pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation