Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

44°F

7°C

Humidity	82%
Wind Speed	NW 10 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	13 Feb 03:20 AM PST

More Information:

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

Extended Forecast for

4 Miles SSE Clayton CA

Overnight
Low: 45 °F
Mostly Clear
Friday
High: 56 °F
Sunny
Friday Night
Low: 46 °F
Mostly Cloudy
Saturday
High: 54 °F
Mostly Cloudy
Saturday Night
Low: 49 °F
Chance Rain
Sunday
High: 55 °F
Rain Likely
Sunday Night
Low: 49 °F
Rain
Washington's Birthday
High: 53 °F
Rain
Monday Night
Low: 45 °F
Rain and
Breezy

Detailed Forecast

Overnight

Mostly clear, with a low around 45. West northwest wind around 8 mph.

Friday

Sunny, with a high near 56. West wind 6 to 9 mph.

Friday Night

Mostly cloudy, with a low around 46. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

Saturday

Mostly cloudy, with a high near 54. South wind 5 to 8 mph.

Saturday Night

A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 49. South southeast wind around 15 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain. Low around 49. Chance of precipitation is 90%.

Washington's Birthday

Rain. Cloudy, with a high near 53.

Monday Night

Rain. Cloudy, with a low around 45. Breezy.

Tuesday

Rain, possibly mixed with snow. Cloudy, with a high near 50. Breezy.

Tuesday Night

Rain and snow likely. Mostly cloudy, with a low around 42.

Wednesday

Rain and snow likely. Mostly cloudy, with a high near 47.