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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

50°F

10°C

Humidity 100%
Wind Speed SSW 25 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 01 Jan 10:28 PM PST
Extended Forecast for

4 Miles WSW Danville CA

Wind Advisory January 2, 01:00pm until January 3, 01:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 20 percent chance of rain before midnight. Mostly cloudy, with a steady temperature around 52. Southeast wind 7 to 9 mph.

    Low: 52 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain likely after 4pm. Increasing clouds, with a high near 58. South southeast wind around 10 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: 58 °F

    Partly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Steady temperature around 55. South wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 58. South wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 51. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Tonight
A 20 percent chance of rain before midnight. Mostly cloudy, with a steady temperature around 52. Southeast wind 7 to 9 mph.
Friday
Rain likely after 4pm. Increasing clouds, with a high near 58. South southeast wind around 10 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. Steady temperature around 55. South wind 14 to 16 mph, with gusts as high as 31 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 58. South wind around 16 mph, with gusts as high as 32 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 51. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 46. Chance of precipitation is 80%.
Monday
Rain likely. Mostly cloudy, with a high near 54.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.
Tuesday
A slight chance of rain before 10am. Partly sunny, 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 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Thursday
A chance of rain. Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Danville CA
 37.78°N 122.07°W (Elev. 994 ft)
Last Update:
10:46 pm PST Jan 1, 2026
Forecast Valid:
11pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation