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.

44°F

7°C

Humidity	76%
Wind Speed	S 10 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	14 Feb 03:20 AM PST

More Information:

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

Extended Forecast for

3 Miles S Clayton CA

Overnight
Low: 46 °F
Mostly Cloudy
Saturday
High: 54 °F
Mostly Cloudy
Saturday Night
Low: 46 °F
Decreasing
Clouds
Sunday
High: 55 °F
Mostly Cloudy
then Slight
Chance Rain
Sunday Night
Low: 48 °F
Rain
Washington's Birthday
High: 50 °F
Rain
Monday Night
Low: 44 °F
Rain and
Breezy
Tuesday
High: 47 °F
Rain and
Breezy
Tuesday Night
Low: 40 °F
Rain

Detailed Forecast

Overnight

Mostly cloudy, with a low around 46. South wind around 7 mph.

Saturday

Mostly cloudy, with a high near 54. South wind 5 to 9 mph.

Saturday Night

Cloudy, then gradually becoming partly cloudy, with a low around 46. South wind 11 to 17 mph, with gusts as high as 25 mph.

Sunday

A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 55. South wind 15 to 17 mph, with gusts as high as 28 mph. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain, mainly after 7pm. Low around 48. South southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Washington's Birthday

Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain. Low around 44. Breezy. Chance of precipitation is 90%.

Tuesday

Rain. Cloudy, with a high near 47. Breezy.

Tuesday Night

Rain. Mostly cloudy, with a low around 40.

Wednesday

Rain likely. Mostly cloudy, with a high near 48.

Wednesday Night

Rain likely. Mostly cloudy, with a low around 39.