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.

62°F

17°C

Humidity	60%
Wind Speed	WNW 6 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	08 Apr 04:45 PM PDT

More Information:

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

Extended Forecast for

4 Miles SSE Clayton CA

Tonight
Low: 54 °F
Partly Cloudy
Thursday
High: 66 °F
Mostly Sunny
then Slight
Chance
Showers
Thursday Night
Low: 54 °F
Chance
Showers
Friday
High: 60 °F
Showers
Friday Night
Low: 53 °F
Showers
Likely
Saturday
High: 56 °F
Showers
Saturday Night
Low: 48 °F
Rain Likely
Sunday
High: 52 °F
Rain Likely
Sunday Night
Low: 46 °F
Chance Rain
then Mostly
Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 54. West southwest wind 9 to 15 mph, with gusts as high as 26 mph.

Thursday

A slight chance of showers between 2pm and 4pm. Mostly sunny, with a high near 66. West southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Thursday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 54. West southwest wind 7 to 14 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of showers, then showers and possibly a thunderstorm after 11am. High near 60. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. West southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 56. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

Sunday

Rain likely, mainly after 11am. Partly sunny, with a high near 52.

Sunday Night

A chance of rain before 11pm. Partly cloudy, with a low around 46.

Monday

Sunny, with a high near 58.

Monday Night

Mostly clear, with a low around 47.

Tuesday

Sunny, with a high near 61.