Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory until January 4, 02:00 PM PST

Current conditions at

LAS TRAMPAS (LTRC1)

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

45°F

7°C

Humidity	100%
Wind Speed	ESE 10 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	01 Jan 01:28 AM 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 January 1, 02:04am until January 4, 02:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory January 1, 02:04am until January 4, 02:00pm
NOW until 2:00pm Sun
Coastal Flood Advisory
Overnight
Low: 47 °F
Rain
New Year's Day
High: 58 °F
Showers
Thursday Night
Low: 50 °F
Showers
Likely then
Slight Chance
Showers
Friday
High: 58 °F
Showers
Likely
Friday Night
Low: 53 °F
Showers
Saturday
High: 59 °F
Showers
Saturday Night
Low: 51 °F
Showers
Sunday
High: 56 °F
Showers

Detailed Forecast

Overnight

Rain. Low around 47. East northeast wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Showers, with thunderstorms also possible after 1pm. High near 58. East southeast wind 8 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely, mainly before 10pm. Mostly cloudy, with a low around 50. South wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Showers likely, mainly after 4pm. Mostly cloudy, with a high near 58. South southeast wind 8 to 13 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

Showers. Low around 53. South southeast wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Showers. High near 59. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Showers, with thunderstorms also possible after 10pm. Low around 51. Chance of precipitation is 90%.

Sunday

Showers. Cloudy, with a high near 56.

Sunday Night

Showers. Cloudy, with a low around 48.

Monday

Showers. Mostly cloudy, with a high near 55.

Monday Night

Showers likely. Mostly cloudy, with a low around 44.