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

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

12 Miles NE San Martin CA

Flood Watch December 24, 11:51am until December 26, 10:00pm

Wind Advisory December 24, 08:00pm until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 24, 11:51am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Today
High: 54 °F
Showers
Likely
Tonight
Low: 46 °F
Showers and
Breezy
Christmas Day
High: 51 °F
Showers and
Breezy
Thursday Night
Low: 42 °F
Showers and
Breezy
Friday
High: 51 °F
Showers
Friday Night
Low: 36 °F
Showers
Likely then
Chance
Showers
Saturday
High: 51 °F
Slight Chance
Showers
Saturday Night
Low: 32 °F
Frost

Detailed Forecast

Today

Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 54. Southwest wind 9 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Low around 46. Breezy, with a south wind 21 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Christmas Day

Showers and possibly a thunderstorm. High near 51. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Low around 42. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Showers. High near 51. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Showers likely, mainly before 10pm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of showers. Mostly sunny, with a high near 51.

Saturday Night

Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32.

Sunday

Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 51.

Sunday Night

Widespread frost, mainly after 3am. Otherwise, clear, with a low around 32.

Monday

Widespread frost. Otherwise, sunny, with a high near 54.

Monday Night

Areas of frost. Otherwise, mostly clear, with a low around 35.