Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

45°F

7°C

Humidity	74%
Wind Speed	NNW 10 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	13 Feb 06:05 AM PST

More Information:

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

Extended Forecast for

4 Miles SSE Clayton CA

Today
High: 56 °F
Sunny
Tonight
Low: 46 °F
Mostly Cloudy
Saturday
High: 48 °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
Tuesday
High: 50 °F
Rain/Snow and
Breezy

Detailed Forecast

Today

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

Tonight

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 steady temperature around 48. 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. South wind 11 to 14 mph, with gusts as high as 26 mph. 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%. New precipitation amounts between a half and three quarters of an inch possible.

Washington's Birthday

Rain. High near 53. Chance of precipitation is 90%.

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, becoming all snow after 1am. Mostly cloudy, with a low around 42.

Wednesday

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