Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. 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	100%
Wind Speed	SSW 13 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	12 Apr 01:30 PM PDT

More Information:

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

Extended Forecast for

3 Miles E Walnut Creek CA

This Afternoon
High: 59 °F
Chance
T-storms
Tonight
Low: 43 °F
Chance
Showers and
Patchy Fog
Monday
High: 65 °F
Patchy Fog
then Sunny
Monday Night
Low: 44 °F
Mostly Clear
Tuesday
High: 66 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 68 °F
Partly Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy
Thursday
High: 70 °F
Sunny

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 59. Southwest wind around 11 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers between midnight and 2am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 43. West southwest wind 5 to 9 mph becoming calm after midnight.

Monday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Monday Night

Mostly clear, with a low around 44. Southwest wind around 7 mph.

Tuesday

Sunny, with a high near 66. West southwest wind 5 to 9 mph.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

Partly sunny, with a high near 68.

Wednesday Night

Partly cloudy, with a low around 46.