Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Wind Advisory in effect from November 12, 10:00 PM PST until November 13, 04:00 PM PST

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

51°F

11°C

Humidity	90%
Wind Speed	SSE 16 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	12 Nov 06:50 PM PST

More Information:

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

Extended Forecast for

4 Miles S Clayton CA

Wind Advisory November 12, 10:00pm until November 13, 04:00pm

Click here for hazard details and duration

Wind Advisory

Tonight
Low: 50 °F
Showers
Thursday
High: 58 °F⇓
Showers and
Breezy
Thursday Night
Low: 48 °F⇑
Chance
Showers
Friday
High: 53 °F
Chance
Showers
Friday Night
Low: 48 °F
Slight Chance
Showers
Saturday
High: 54 °F
Mostly Sunny
Saturday Night
Low: 48 °F
Slight Chance
Showers
Sunday
High: 54 °F
Slight Chance
Showers
Sunday Night
Low: 46 °F
Chance
Showers

Detailed Forecast

Tonight

Showers, mainly after 10pm. Low around 50. South wind 13 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Showers. Temperature falling to around 47 by 4pm. Breezy, with a south wind 20 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday Night

A 50 percent chance of showers. Mostly cloudy, with a temperature rising to around 53 by 11pm. South wind 9 to 18 mph, with gusts as high as 37 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 53. East southeast wind around 7 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 20 percent chance of showers after 10pm. Partly cloudy, with a low around 48. North wind around 5 mph.

Saturday

Mostly sunny, with a high near 54.

Saturday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 48.

Sunday

A slight chance of showers. Mostly cloudy, with a high near 54.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 46.

Monday

A chance of showers, mainly before 10am. Mostly sunny, with a high near 52.