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.

Mostly Cloudy

55°F

13°C

Humidity	87%
Wind Speed	SW 4 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	11 Apr 03:05 AM PDT

More Information:

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

Extended Forecast for

4 Miles ESE Union City CA

Overnight
Low: 52 °F
Mostly Cloudy
Saturday
High: 58 °F
Chance
Showers then
Showers
Saturday Night
Low: 48 °F
Heavy Rain
Sunday
High: 53 °F
Showers
Sunday Night
Low: 46 °F
Chance Rain
then Partly
Cloudy
Monday
High: 57 °F
Mostly Sunny
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 60 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly cloudy, with a low around 52. South southwest wind around 9 mph.

Saturday

A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 58. South wind 11 to 21 mph, with gusts 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 before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then rain after 5am. Some of the storms could produce heavy rainfall. Low around 48. South wind 15 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 53. Southwest wind 15 to 18 mph, with gusts as high as 28 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 46. West southwest wind 6 to 14 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 57.

Monday Night

Mostly clear, with a low around 45.

Tuesday

Sunny, with a high near 60.

Tuesday Night

Mostly clear, with a low around 45.

Wednesday

Mostly sunny, with a high near 60.

Wednesday Night

Partly cloudy, with a low around 47.