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 >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

78°F

26°C

Humidity	82%
Wind Speed	N 13 mph
Barometer	29.77 in (1007.1 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	11 Apr 3:54 am ChST

More Information:

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

Extended Forecast for

Agana Heights GU

High Surf Advisory April 11, 04:55am until April 16, 06:00pm

Click here for hazard details and duration

High Surf Advisory

High Surf Advisory April 11, 04:55am until April 16, 06:00pm
NOW until 6:00pm Thu
High Surf Advisory
Today
High: 87 °F
Isolated
Showers and
Breezy
Tonight
Low: 77 °F
Isolated
Showers and
Breezy
Sunday
High: 85 °F
Scattered
Showers and
Breezy
Sunday Night
Low: 78 °F
Scattered
Showers and
Windy
Monday
High: 84 °F
Scattered
Showers and
Windy
Monday Night
Low: 79 °F
Windy.
Scattered
Showers then
Heavy Rain
Tuesday
High: 84 °F
Heavy Rain
and Windy
Tuesday Night
Low: 79 °F
Heavy Rain
and Windy

Detailed Forecast

Today

Isolated showers. Mostly sunny, with a high near 87. Breezy, with a northeast wind 22 to 24 mph, with gusts as high as 31 mph.

Tonight

Isolated showers. Partly cloudy, with a low around 77. Breezy, with a northeast wind 24 to 26 mph, with gusts as high as 34 mph.

Sunday

Scattered showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a northeast wind 26 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.

Sunday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Windy, with a northeast wind 29 to 32 mph, with gusts as high as 41 mph. Chance of precipitation is 40%.

Monday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Windy, with a north northeast wind 32 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 40%.

Monday Night

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 79. Windy. Chance of precipitation is 70%.

Tuesday

Showers and possibly a thunderstorm, mainly before 8am, then rain and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 84. Windy. Chance of precipitation is 100%.

Tuesday Night

Rain and possibly a thunderstorm before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then scattered showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 79. Windy.

Wednesday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Windy.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 79. Breezy.

Thursday

Partly sunny, with a high near 86. Breezy.

Thursday Night

Partly cloudy, with a low around 77.

Friday

Mostly sunny, with a high near 87.