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

3 Miles ESE Gilroy CA

Flood Watch December 25, 09:54pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 25, 09:54pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Tonight
Low: 46 °F
Severe
Thunderstorms
Friday
High: 57 °F
Chance
Showers
Friday Night
Low: 43 °F
Chance
Showers
Saturday
High: 55 °F
Slight Chance
Showers then
Mostly Sunny
Saturday Night
Low: 35 °F
Mostly Clear
then Patchy
Frost
Sunday
High: 56 °F
Patchy Frost
then Sunny
Sunday Night
Low: 36 °F
Clear then
Patchy Frost
Monday
High: 59 °F
Patchy Frost
then Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 46. South wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 50 percent chance of showers. Mostly cloudy, with a high near 57. East southeast wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. East southeast wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 55. Calm wind becoming northwest around 6 mph in the afternoon.

Saturday Night

Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. North northeast wind 3 to 5 mph.

Sunday

Patchy frost before 8am. Otherwise, sunny, with a high near 56.

Sunday Night

Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.

Monday

Patchy frost before 8am. Otherwise, sunny, with a high near 59.

Monday Night

Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.

Tuesday

Patchy frost before 7am. Otherwise, sunny, with a high near 62.