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

64°F

18°C

Humidity	63%
Wind Speed	SE 26 MPH
Barometer	29.59 in (1002.03 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	23 Dec 09:50 PM PST

More Information:

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

Extended Forecast for

10 Miles E Mount Hamilton CA

Flood Watch December 24, 06:45am until December 26, 10:00pm

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

Wind Advisory December 24, 06:45am until December 24, 08:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

...

Flood Watch December 24, 06:45am until December 26, 10:00pm
Wind Advisory December 24, 06:45am until December 24, 08:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 56 °F
Showers
Tonight
Low: 40 °F
Showers and
Windy
Christmas Day
High: 53 °F
Showers and
Breezy
Thursday Night
Low: 37 °F
Showers
Friday
High: 52 °F
Showers
Friday Night
Low: 33 °F
Showers
Likely and
Patchy Fog
Saturday
High: 53 °F
Slight Chance
Showers and
Areas Fog
Saturday Night
Low: 28 °F
Frost and
Patchy Fog

Detailed Forecast

Today

Showers. High near 56. South southeast wind 11 to 21 mph, with gusts as high as 41 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. Low around 40. Windy, with a south wind 21 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Christmas Day

Showers and possibly a thunderstorm. High near 53. Breezy, with a south southwest wind around 25 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Low around 37. South southwest wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers. High near 52. South wind 8 to 11 mph, with gusts as high as 23 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. Patchy fog. Otherwise, mostly cloudy, with a low around 33. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 53.

Saturday Night

Patchy fog after 10pm. Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 28.

Sunday

Areas of fog before 8am. Areas of frost before 9am. Otherwise, sunny, with a high near 55.

Sunday Night

Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 30.

Monday

Areas of frost. Otherwise, sunny, with a high near 58.

Monday Night

Areas of frost. Otherwise, mostly clear, with a low around 33.