Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

49°F

9°C

Humidity	100%
Wind Speed	WSW 25 MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Wind Chill	41°F (5°C)
Last update	11 Apr 01:28 PM PDT

More Information:

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

Extended Forecast for

Walnut Creek CA

This Afternoon
High: 64 °F
Showers
Likely
Tonight
Low: 46 °F
Heavy Rain
Sunday
High: 60 °F
Showers
Sunday Night
Low: 44 °F
Chance
Showers then
Patchy Fog
Monday
High: 65 °F
Patchy Fog
then Sunny
Monday Night
Low: 44 °F
Mostly Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 44 °F
Clear
Wednesday
High: 68 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 64. South wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Low around 46. South wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 60. South southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 30 percent chance of showers before 11pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.

Monday Night

Mostly clear, with a low around 44.

Tuesday

Sunny, with a high near 68.

Tuesday Night

Clear, with a low around 44.

Wednesday

Sunny, with a high near 68.

Wednesday Night

Partly cloudy, with a low around 46.