Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

82°F

28°C

Humidity 74%
Wind Speed E 9 mph
Barometer 29.86 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 29 Dec 6:54 pm ChST
Extended Forecast for

Sinajana GU

High Surf Advisory December 29, 07:29pm until December 30, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory December 29, 07:29pm until December 30, 04:00pm

    NOW until 4:00pm Tue

    High Surf Advisory

  • Tonight

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers.  Partly sunny, with a high near 86. East northeast wind 9 to 15 mph, with gusts as high as 18 mph.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers.  Mostly cloudy, with a low around 77. East wind 8 to 13 mph.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 85. East wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 85 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers.  Partly cloudy, with a low around 76. East wind 8 to 14 mph.

    Low: 76 °F

    Isolated
    Showers

  • New Year's Day

    New Year's Day: Isolated showers.  Mostly sunny, with a high near 86.

    High: 86 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 77. East northeast wind 8 to 10 mph.
Tuesday
Isolated showers. Partly sunny, with a high near 86. East northeast wind 9 to 15 mph, with gusts as high as 18 mph.
Tuesday Night
Isolated showers. Mostly cloudy, with a low around 77. East wind 8 to 13 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 85. East wind 9 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 8 to 14 mph.
New Year's Day
Isolated showers. Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Sinajana GU
 13.47°N 144.76°E
6:06 pm ChST Dec 29, 2025
7pm ChST Dec 29, 2025-6pm ChST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database