Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

85°F

29°C

Humidity 68%
Wind Speed SE 6 mph
Barometer 29.81 in (1008.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 19 Apr 2:54 pm ChST
Extended Forecast for

Dededo GU

High Surf Advisory April 19, 03:57pm until April 20, 05:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory April 19, 03:57pm until April 20, 05:00am

    NOW until 5:00am Mon

    High Surf Advisory

  • Tonight

    Low: 76 °F

    Haze

  • Monday

    Monday: Isolated showers.  Mostly sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 87 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers.  Partly cloudy, with a low around 77. Northeast wind 3 to 6 mph.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers.  Mostly sunny, with a high near 88. Northeast wind 5 to 8 mph.

    High: 88 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers.  Partly cloudy, with a low around 76. Northeast wind 6 to 8 mph.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 88.

    High: 88 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

Detailed Forecast

Tonight
Widespread haze. Partly cloudy, with a low around 76. South wind around 6 mph becoming calm in the evening.
Monday
Isolated showers. Mostly sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Isolated showers. Partly cloudy, with a low around 77. Northeast wind 3 to 6 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 88. Northeast wind 5 to 8 mph.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 76. Northeast wind 6 to 8 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 76.
Friday
Partly sunny, with a high near 88.
Friday Night
Mostly cloudy, with a low around 76.
Saturday
Partly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 76.
Sunday
Partly sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Dededo GU
 13.52°N 144.83°E
3:41 pm ChST Apr 19, 2026
3pm ChST Apr 19, 2026-6pm ChST Apr 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database