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

81°F

27°C

Humidity	77%
Wind Speed	NE 13 mph
Barometer	29.78 in (1007.5 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	11 Apr 8:54 pm ChST

More Information:

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

Extended Forecast for

Dededo GU

Flood Watch April 12, 06:00pm until April 15, 10:00am

Coastal Flood Watch April 13, 06:00am until April 15, 04:00pm

High Surf Advisory April 11, 09:06pm until April 12, 06:00pm

High Surf Warning April 12, 06:00pm until April 16, 06:00pm

Click here for hazard details and duration

Flood Watch

Coastal Flood Watch

High Surf Advisory

High Surf Warning

High Surf Advisory April 11, 09:06pm until April 12, 06:00pm
NOW until 6:00pm Sun
High Surf Advisory
Tonight
Low: 76 °F
Isolated
Showers and
Breezy
Sunday
High: 86 °F
Breezy.
Isolated
Showers then
Scattered
Showers
Sunday Night
Low: 78 °F
Scattered
Showers and
Windy
Monday
High: 85 °F
Scattered
Showers and
Windy
Monday Night
Low: 79 °F
Heavy Rain
and Windy
Tuesday
High: 83 °F
Heavy Rain
and Windy
Tuesday Night
Low: 79 °F
Windy. Heavy
Rain then
Scattered
Showers
Wednesday
High: 84 °F
Scattered
Showers and
Windy

Detailed Forecast

Tonight

Isolated showers. Partly cloudy, with a low around 76. Breezy, with a north northeast wind around 24 mph, with gusts as high as 31 mph.

Sunday

Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Breezy, with a north northeast wind 24 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.

Sunday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Windy, with a north northeast wind 29 to 34 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.

Monday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Windy, with a north wind 34 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 50%.

Monday Night

Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 3am, then rain and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 79. Windy, with a north wind 44 to 54 mph increasing to 75 to 85 mph. Winds could gust as high as 120 mph. Chance of precipitation is 90%.

Tuesday

Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 83. Windy. Chance of precipitation is 90%.

Tuesday Night

Showers and possibly a thunderstorm, mainly before 11pm, then scattered showers and thunderstorms after 11pm. Some of the storms could produce heavy rainfall. Low around 79. Windy. Chance of precipitation is 90%.

Wednesday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Windy.

Wednesday Night

Scattered showers and thunderstorms before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 79. Windy.

Thursday

A chance of showers. Partly sunny, with a high near 85. Breezy.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 77. Breezy.

Friday

Mostly sunny, with a high near 86.

Friday Night

Partly cloudy, with a low around 78.