Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Flood Watch until December 26, 10:00 PM PST

Current conditions at

LAS TRAMPAS (LTRC1)

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

46°F

8°C

Humidity	88%
Wind Speed	SW 22 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Wind Chill	38°F (3°C)
Last update	26 Dec 08:28 AM PST

More Information:

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

Extended Forecast for

2 Miles S Walnut Creek CA

Flood Watch December 26, 08:58am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 26, 08:58am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Today
High: 55 °F
Chance
Showers
Tonight
Low: 43 °F
Slight Chance
Showers then
Partly Cloudy
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 38 °F
Increasing
Clouds
Sunday
High: 50 °F
Mostly Sunny
Sunday Night
Low: 36 °F
Mostly Clear
then Patchy
Frost
Monday
High: 52 °F
Patchy Frost
then Sunny
Monday Night
Low: 35 °F
Mostly Clear
then Patchy
Frost

Detailed Forecast

Today

A 50 percent chance of showers, mainly between 10am and 5pm. Increasing clouds, with a high near 55. South wind 10 to 14 mph, with gusts as high as 29 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 43. Southwest wind around 6 mph.

Saturday

Mostly sunny, with a high near 52. Light and variable wind becoming north around 6 mph in the morning.

Saturday Night

Increasing clouds, with a low around 38. Calm wind.

Sunday

Mostly sunny, with a high near 50. North northeast wind 3 to 6 mph.

Sunday Night

Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.

Monday

Patchy frost before 8am. Otherwise, sunny, with a high near 52.