Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed E 5 mph
Barometer 29.85 in (1010.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Dec 4:54 am ChST
Extended Forecast for

Agana Heights GU

  • Today

    Today: Isolated showers.  Mostly sunny, with a high near 85. East northeast wind 9 to 13 mph.

    High: 85 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers.  Mostly cloudy, with a low around 77. East northeast wind around 11 mph.

    Low: 77 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers.  Mostly sunny, with a high near 86. East northeast wind 11 to 14 mph, with gusts as high as 18 mph.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers.  Partly cloudy, with a low around 77. East wind 10 to 13 mph.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers.  Partly sunny, with a high near 86. East wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 77.

    Low: 77 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 77 °F

    Partly Cloudy

  • New Year's Day

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

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 85. East northeast wind 9 to 13 mph.
Tonight
Isolated showers. Mostly cloudy, with a low around 77. East northeast wind around 11 mph.
Monday
Isolated showers. Mostly sunny, with a high near 86. East northeast wind 11 to 14 mph, with gusts as high as 18 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 10 to 13 mph.
Tuesday
Isolated showers. Partly sunny, with a high near 86. East wind 11 to 17 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 77.
New Year's Day
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 77.
Saturday
Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Agana Heights GU
 13.47°N 144.74°E
4:39 am ChST Dec 28, 2025
5am ChST Dec 28, 2025-6pm ChST Jan 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database