Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Flood Watch until December 26, 10:00 PM PST

Current conditions at

Hollister, CA (KCVH)

Lat: 36.8933°NLon: 121.4103°WElev: 229.0ft.

Partly Cloudy

63°F

17°C

Humidity	77%
Wind Speed	SSE 39 MPH
Barometer	29.52 in (999.66 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	24 Dec 01:35 AM PST

More Information:

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

Extended Forecast for

14 Miles E San Martin CA

Flood Watch December 25, 04:38pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 25, 04:38pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Christmas Day
High: 56 °F
Chance
Showers
Tonight
Low: 44 °F
Showers
Friday
High: 53 °F
Chance
Showers
Friday Night
Low: 40 °F
Showers
Likely and
Patchy Fog
Saturday
High: 52 °F
Slight Chance
Showers then
Mostly Sunny
Saturday Night
Low: 33 °F
Mostly Clear
then Frost
and Patchy
Fog
Sunday
High: 52 °F
Frost then
Sunny
Sunday Night
Low: 34 °F
Areas Frost

Detailed Forecast

Christmas Day

A 40 percent chance of showers. Cloudy, with a high near 56. South wind around 15 mph, with gusts as high as 30 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Showers and possibly a thunderstorm before 1am, then showers likely. Low around 44. South southwest wind 8 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A 50 percent chance of showers. Mostly cloudy, with a high near 53. South wind 8 to 11 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Showers likely, mainly before 7pm. Patchy fog. Otherwise, mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of showers before 10am. Mostly sunny, with a high near 52. Calm wind becoming north northwest 5 to 7 mph in the morning.

Saturday Night

Patchy fog after 1am. Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33.

Sunday

Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 52.

Sunday Night

Areas of frost after 11pm. Otherwise, clear, with a low around 34.

Monday

Sunny, with a high near 55.

Monday Night

Areas of frost after 1am. Otherwise, mostly clear, with a low around 34.