Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

54°F

12°C

Humidity	70%
Wind Speed	WSW 13 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	09 Apr 02:15 AM PDT

More Information:

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

Extended Forecast for

6 Miles NE San Ramon CA

Overnight
Low: 53 °F
Mostly Cloudy
Thursday
High: 64 °F
Mostly Sunny
Thursday Night
Low: 52 °F
Slight Chance
Rain then
Chance
Showers
Friday
High: 60 °F
Showers
Friday Night
Low: 52 °F
Showers
Saturday
High: 55 °F
Showers and
Breezy
Saturday Night
Low: 46 °F
Showers
Sunday
High: 51 °F
Showers
Sunday Night
Low: 45 °F
Chance Rain
then Partly
Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 53. Southwest wind around 10 mph.

Thursday

Mostly sunny, with a high near 64. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.

Thursday Night

A slight chance of rain before 11pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 52. West southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and possibly a thunderstorm. High near 60. Southwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm. Low around 52. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Rain likely, then showers and possibly a thunderstorm after 11am. High near 55. Breezy. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and possibly a thunderstorm, mainly before 2am, then rain likely after 2am. Low around 46. Chance of precipitation is 90%.

Sunday

Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 51.

Sunday Night

A chance of rain before 11pm. Partly cloudy, with a low around 45.

Monday

Mostly sunny, with a high near 56.

Monday Night

Mostly clear, with a low around 45.

Tuesday

Sunny, with a high near 62.