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.

50°F

10°C

Humidity	46%
Wind Speed	SW 5 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	48°F (9°C)
Last update	13 Feb 05:05 PM PST

More Information:

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

Extended Forecast for

2 Miles S Clayton CA

Tonight
Low: 46 °F
Mostly Cloudy
Saturday
High: 61 °F
Mostly Cloudy
Saturday Night
Low: 48 °F
Mostly Cloudy
Sunday
High: 61 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 48 °F
Showers
Washington's Birthday
High: 54 °F
Showers
Monday Night
Low: 44 °F
Showers
Tuesday
High: 51 °F
Showers
Tuesday Night
Low: 42 °F
Showers

Detailed Forecast

Tonight

Mostly cloudy, with a low around 46. South southwest wind 6 to 8 mph.

Saturday

Mostly cloudy, with a high near 61. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

Saturday Night

Mostly cloudy, with a low around 48. South southeast wind around 9 mph, with gusts as high as 22 mph.

Sunday

Showers likely, mainly after 1pm. Mostly cloudy, with a high near 61. South southeast wind around 11 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

Showers. Low around 48. Southeast wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Washington's Birthday

Showers, with thunderstorms also possible after 4pm. High near 54. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 7pm, then showers between 7pm and 10pm, then showers and possibly a thunderstorm after 10pm. Low around 44. Chance of precipitation is 100%.

Tuesday

Showers and possibly a thunderstorm. Cloudy, with a high near 51.

Tuesday Night

Showers and possibly a thunderstorm before 10pm, then showers likely. Mostly cloudy, with a low around 42.

Wednesday

Showers likely. Mostly cloudy, with a high near 52.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 40.

Thursday

A chance of showers. Partly sunny, with a high near 54.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 41.