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.

Light Rain

84°F

29°C

Humidity	72%
Wind Speed	N 18 G 30 mph
Barometer	29.77 in (1007.2 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	12 Apr 9:54 am ChST

More Information:

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

Extended Forecast for

Dededo 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, 10:06am 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, 10:06am until April 12, 06:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 86 °F
Isolated
Showers and
Breezy
Tonight
Low: 78 °F
Isolated
Showers and
Breezy then
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
Heavy Rain
and Windy
Wednesday
High: 84 °F
Scattered
Showers and
Windy
Wednesday Night
Low: 79 °F
Isolated
Showers and
Breezy

Detailed Forecast

Today

Isolated showers. Partly sunny, with a high near 86. Breezy, with a north northeast wind around 26 mph, with gusts as high as 33 mph.

Tonight

Scattered showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Windy, with a north northeast wind 26 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.

Monday

Scattered showers and thunderstorms. Partly sunny, with a high near 85. Windy, with a north wind 31 to 36 mph, with gusts as high as 45 mph. Chance of precipitation is 50%.

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, with a north wind 36 to 41 mph increasing to 50 to 55 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 70%.

Tuesday

Showers and possibly a thunderstorm before 10am, then rain and possibly a thunderstorm between 10am and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 83. Windy, with a north northwest wind 55 to 65 mph becoming west 85 to 95 mph. Winds could gust as high as 120 mph. Chance of precipitation is 90%.

Tuesday Night

Showers likely and possibly a thunderstorm before 10pm, then scattered showers and thunderstorms after 10pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 79. Windy. Chance of precipitation is 70%.

Wednesday

Scattered showers and thunderstorms before 3pm. Mostly cloudy, with a high near 84. Windy. Chance of precipitation is 50%.

Wednesday Night

Isolated showers. Mostly cloudy, with a low around 79. Breezy.

Thursday

Isolated 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.