Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory in effect from December 31, 05:00 AM PST until January 4, 02:00 PM PST

Current conditions at

LAS TRAMPAS (LTRC1)

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

51°F

11°C

Humidity	37%
Wind Speed	E 17 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	29 Dec 07:28 PM PST

More Information:

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

Extended Forecast for

5 Miles SSE Lamorinda CA

Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Tonight
Low: 36 °F
Mostly Clear
then Patchy
Frost
Tuesday
High: 54 °F
Partly Sunny
Tuesday Night
Low: 45 °F
Cloudy then
Chance Rain
Wednesday
High: 52 °F
Rain
Wednesday Night
Low: 47 °F
Rain
New Year's Day
High: 56 °F
Rain
Thursday Night
Low: 52 °F
Rain
Friday
High: 58 °F
Rain
Friday Night
Low: 47 °F
Rain

Detailed Forecast

Tonight

Patchy frost between 4am and 5am. Otherwise, mostly clear, with a low around 36. North northeast wind around 8 mph.

Tuesday

Partly sunny, with a high near 54. North northeast wind 8 to 10 mph.

Tuesday Night

A 30 percent chance of rain after 4am. Cloudy, with a low around 45. North northeast wind 8 to 10 mph.

Wednesday

Rain, mainly after 10am. High near 52. North northeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 47. East southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. High near 56. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Low around 52. Chance of precipitation is 80%.

Friday

Rain. Cloudy, with a high near 58.

Friday Night

Rain. Cloudy, with a low around 47.

Saturday

Rain likely. Mostly cloudy, with a high near 55.

Saturday Night

Rain likely. Mostly cloudy, with a low around 45.