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

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

rain,mist

55°F

13°C

Humidity	93%
Wind Speed	WSW 6 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	54°F (12°C)
Visibility	2.50 mi
Last update	10 Apr 11:20 PM PDT

More Information:

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

Extended Forecast for

4 Miles E Union City CA

Tonight
Low: 57 °F
Chance Rain
Saturday
High: 60 °F
Chance
Showers then
Showers
Saturday Night
Low: 50 °F
Heavy Rain
then Showers
Likely
Sunday
High: 55 °F
Showers
Sunday Night
Low: 48 °F
Chance Rain
then Partly
Cloudy
Monday
High: 60 °F
Mostly Sunny
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 63 °F
Sunny
Tuesday Night
Low: 47 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a steady temperature around 57. South southwest wind around 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 60. South wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 50. South southwest wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers and possibly a thunderstorm. High near 55. South southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 48. West southwest wind 6 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 60.

Monday Night

Mostly clear, with a low around 47.

Tuesday

Sunny, with a high near 63.

Tuesday Night

Mostly clear, with a low around 47.

Wednesday

Mostly sunny, with a high near 63.

Wednesday Night

Partly cloudy, with a low around 49.