Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

82°F

28°C

Humidity 77%
Wind Speed SE 9 mph
Barometer 29.84 in (1009.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 2 Dec 5:54 pm ChST
Extended Forecast for

Sinajana GU

High Surf Advisory December 2, 06:03pm until December 3, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory December 2, 06:03pm until December 3, 04:00pm

    NOW until 4:00pm Wed

    High Surf Advisory

  • Tonight

    Low: 79 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Partly sunny, with a high near 87. East wind 11 to 17 mph, with gusts as high as 22 mph.

    High: 87 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers.  Mostly cloudy, with a low around 79. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers.  Partly sunny, with a high near 85. East southeast wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 85 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers.  Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 79.

    Low: 79 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 79. East southeast wind 8 to 16 mph, with gusts as high as 21 mph.
Wednesday
Isolated showers. Partly sunny, with a high near 87. East wind 11 to 17 mph, with gusts as high as 22 mph.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 79. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Isolated showers. Partly sunny, with a high near 85. East southeast wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 79.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
1:38 pm ChST Dec 2, 2025
6pm ChST Dec 2, 2025-6pm ChST Dec 9, 2025
 
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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