Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

83°F

28°C

Humidity	72%
Wind Speed	E 9 mph
Barometer	29.87 in (1010.8 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	26 Dec 8:54 am ChST

More Information:

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

Extended Forecast for

Sinajana GU

High Surf Advisory until December 28, 04:00pm

Click here for hazard details and duration

High Surf Advisory

High Surf Advisory until December 28, 04:00pm
NOW until 4:00pm Sun
High Surf Advisory
Today
High: 86 °F
Isolated
Showers
Tonight
Low: 77 °F
Isolated
Showers
Saturday
High: 88 °F
Isolated
Showers
Saturday Night
Low: 77 °F
Isolated
Showers
Sunday
High: 89 °F
Isolated
Showers
Sunday Night
Low: 77 °F
Partly Cloudy
Monday
High: 88 °F
Mostly Sunny
Monday Night
Low: 77 °F
Partly Cloudy