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.

39°F

4°C

Humidity	96%
Wind Speed	SSE 14 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Wind Chill	31°F (-1°C)
Last update	15 Feb 07:05 AM PST

More Information:

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

Extended Forecast for

7 Miles SSW Brentwood CA

Today
High: 59 °F
Chance Rain
then Rain
Tonight
Low: 48 °F
Rain
Washington's Birthday
High: 49 °F
Rain
Monday Night
Low: 43 °F
Rain
Tuesday
High: 46 °F
Showers and
Breezy
Tuesday Night
Low: 39 °F
Showers then
Rain Likely
Wednesday
High: 47 °F
Rain Likely
Wednesday Night
Low: 40 °F
Rain Likely
Thursday
High: 47 °F
Rain Likely

Detailed Forecast

Today

Rain. High near 59. South southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain. Low around 48. South wind 7 to 10 mph becoming east after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Washington's Birthday

Rain. High near 49. Northeast wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain, mainly after 4am. Low around 43. West southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday

Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 46. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm before 10pm, then rain likely, mainly between 10pm and 4am. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.

Wednesday Night

Rain likely. Mostly cloudy, with a low around 40.

Thursday

Rain likely, mainly before 10am. Partly sunny, with a high near 47.

Thursday Night

A chance of rain. Mostly cloudy, with a low around 39.

Friday

A chance of rain. Partly sunny, with a high near 49.

Friday Night

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