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

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Mostly Cloudy

55°F

13°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.69 in (1005.42 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	24 Dec 08:47 AM PST

More Information:

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

Extended Forecast for

2 Miles SE Mount Hamilton CA

Flood Watch December 24, 09:49am 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, 09:49am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Today
High: 50 °F
Showers and
Breezy
Tonight
Low: 48 °F
Showers and
Windy
Christmas Day
High: 44 °F
Showers and
Breezy
Thursday Night
Low: 44 °F
Showers and
Breezy
Friday
High: 46 °F
Showers
Friday Night
Low: 42 °F
Showers
Likely then
Chance
Showers
Saturday
High: 46 °F
Chance
Showers
Saturday Night
Low: 38 °F
Mostly Clear

Detailed Forecast

Today

Showers. High near 50. Breezy, with a south wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Showers, with thunderstorms also possible after 4am. Steady temperature around 48. Windy, with a south wind 25 to 33 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Christmas Day

Showers likely and possibly a thunderstorm, then showers after 10am. Steady temperature around 44. Breezy, with a south southwest wind 26 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Low around 44. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers. High near 46. South wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 46.

Saturday Night

Mostly clear, with a low around 38.

Sunday

Sunny, with a high near 48.

Sunday Night

Clear, with a low around 39.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 43.