National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

82°F

28°C

Humidity 79%
Wind Speed E 7 mph
Barometer 29.86 in (1010.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Dec 7:54 pm ChST
Extended Forecast for

Sinajana GU

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 85. East southeast wind 9 to 14 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 79. East southeast wind 7 to 11 mph.

    Low: 79 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 9 mph.

    High: 88 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.

    Low: 77 °F

    Isolated
    Showers

  • Sunday

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

    High: 88 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East wind 7 to 10 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 85. East southeast wind 9 to 14 mph. Chance of precipitation is 30%.
Friday Night
Isolated showers. Partly cloudy, with a low around 79. East southeast wind 7 to 11 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 88. East wind 7 to 9 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph.
Sunday
Isolated showers. 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.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
Last Update:
6:05 pm ChST Dec 4, 2025
Forecast Valid:
8pm ChST Dec 4, 2025-6pm ChST Dec 11, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation