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.

37°F

3°C

Humidity	99%
Wind Speed	S 15 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	15 Feb 03:40 AM PST

More Information:

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

Extended Forecast for

3 Miles ESE Danville CA

Overnight
Low: 44 °F
Slight Chance
Rain
Sunday
High: 61 °F
Chance Rain
then Rain
Sunday Night
Low: 45 °F
Rain
Washington's Birthday
High: 52 °F
Rain
Monday Night
Low: 40 °F
Rain
Tuesday
High: 49 °F
Showers
Tuesday Night
Low: 36 °F
Showers then
Rain Likely
Wednesday
High: 51 °F
Rain
Wednesday Night
Low: 38 °F
Rain Likely

Detailed Forecast

Overnight

A 20 percent chance of rain. Partly cloudy, with a low around 44. East wind around 8 mph, with gusts as high as 21 mph.

Sunday

Rain. High near 61. South southeast wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

Rain. Low around 45. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Washington's Birthday

Rain. High near 52. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 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 40. West wind 7 to 10 mph, with gusts as high as 23 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 49. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm before 10pm, then rain likely, mainly between 10pm and 4am. Low around 36. Chance of precipitation is 90%.

Wednesday

Rain, mainly after 10am. Mostly cloudy, with a high near 51.

Wednesday Night

Rain likely. Mostly cloudy, with a low around 38.

Thursday

Rain likely, mainly before 10am. Partly sunny, with a high near 51.

Thursday Night

A chance of rain. Mostly cloudy, with a low around 36.

Friday

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