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 >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

50°F

10°C

Humidity 87%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 02 Jan 03:00 AM PST
Extended Forecast for

14 Miles NE Mount Hamilton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 40. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of rain after 5pm.  Increasing clouds, with a high near 52. South wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain.  Low around 45. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 44 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain.  High near 52. South southwest wind around 21 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Low around 42. South wind around 15 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Rain.  High near 50. Chance of precipitation is 100%.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. South wind around 9 mph, with gusts as high as 18 mph.
Friday
A 10 percent chance of rain after 5pm. Increasing clouds, with a high near 52. South wind 14 to 16 mph, with gusts as high as 30 mph.
Friday Night
Rain. Low around 45. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 52. South southwest wind around 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 42. South wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Sunday
Rain. High near 50. Chance of precipitation is 100%.
Sunday Night
Rain. Low around 38. Chance of precipitation is 80%.
Monday
Rain likely. Mostly cloudy, with a high near 49.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 32.
Thursday
A slight chance of rain and snow. Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
1:21 am PST Jan 2, 2026
3am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database