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 >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

54°F

12°C

Humidity 67%
Wind Speed SSW 14 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 02 Jan 12:00 PM PST
Extended Forecast for

14 Miles NE Mount Hamilton CA

  • This Afternoon

    This Afternoon: A 10 percent chance of rain after 5pm. Cloudy, with a high near 52. South southeast wind around 15 mph, with gusts as high as 29 mph.

    High: 52 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: 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%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Rain. High near 50. South southwest wind 10 to 14 mph, with gusts as high as 28 mph. 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. Chance of precipitation is 70%.

    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

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of rain after 5pm. Cloudy, with a high near 52. South southeast wind around 15 mph, with gusts as high as 29 mph.
Tonight
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%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 50. South southwest wind 10 to 14 mph, with gusts as high as 28 mph. 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. Chance of precipitation is 70%.
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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
Last Update:
10:41 am PST Jan 2, 2026
Forecast Valid:
1pm PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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