Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

52°F

11°C

Humidity	43%
Wind Speed	SW 0 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	30 Dec 07:00 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

14 Miles NE Mount Hamilton CA

Tonight
Low: 40 °F
Mostly Cloudy
Wednesday
High: 54 °F
Rain Likely
Wednesday Night
Low: 45 °F
Rain
New Year's Day
High: 55 °F
Rain then
Rain Likely
Thursday Night
Low: 45 °F
Rain Likely
Friday
High: 55 °F
Rain
Friday Night
Low: 41 °F
Rain
Saturday
High: 51 °F
Rain
Saturday Night
Low: 39 °F
Rain Likely

Detailed Forecast

Tonight

Mostly cloudy, with a low around 40. Light east wind.

Wednesday

Rain likely, mainly after noon. Cloudy, with a high near 54. South southeast wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Steady temperature around 45. South southeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. High near 55. South southeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Rain likely, mainly before 4am. Mostly cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Friday

Rain, mainly after 10am. High near 55. Chance of precipitation is 80%.

Friday Night

Rain. Low around 41. Chance of precipitation is 90%.

Saturday

Rain. Mostly cloudy, with a high near 51.

Saturday Night

Rain likely. Mostly cloudy, with a low around 39.

Sunday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 52.

Sunday Night

A chance of rain. Mostly cloudy, with a low around 37.