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

79°F

26°C

Humidity	82%
Wind Speed	N 10 mph
Barometer	29.73 in (1006.0 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	12 Apr 1:54 am ChST

More Information:

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

Extended Forecast for

Agana Heights GU

Typhoon Watch until further notice

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 12, 01:59am until April 12, 06:00pm

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

Click here for hazard details and duration

Typhoon Watch until further notice

Flood Watch

Coastal Flood Watch

High Surf Advisory

High Surf Warning

Typhoon Watch until further notice
High Surf Advisory April 12, 01:59am until April 12, 06:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 77 °F
Isolated
Showers and
Breezy
Sunday
High: 85 °F
Breezy.
Isolated
Showers then
Scattered
Showers
Sunday Night
Low: 78 °F
Scattered
Showers and
Windy
Monday
High: 84 °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

Overnight

Isolated showers. Partly cloudy, with a low around 77. Breezy, with a north northeast wind around 23 mph, with gusts as high as 30 mph.

Sunday

Scattered showers and thunderstorms after 3pm. Partly sunny, with a high near 85. 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 44 mph. Chance of precipitation is 50%.

Monday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Windy, with a north wind 36 to 44 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 45 to 55 mph increasing to 75 to 85 mph. Winds could gust as high as 115 mph. Chance of precipitation is 90%.

Tuesday

Rain and possibly a thunderstorm before 5pm, then showers and possibly a thunderstorm after 5pm. 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 midnight, then scattered showers and thunderstorms after midnight. 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.