Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48° N Lon: 144.8° E Elev: 304 ft.

A Few Clouds

87°F

31°C

Humidity 61%
Wind Speed E 12 mph
Barometer 29.81 in (1008.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 9 Dec 11:54 am ChST
Detailed forecast for

Guam

Today
Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent.
Tonight
Mostly cloudy with scattered showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 30 percent.
Wednesday And Wednesday Night
Breezy. Cloudy. Scattered showers. east winds 15 to 25 mph. Highs near 86. Lows around 78. Chance of showers 30 percent.
Thursday
Breezy. Partly cloudy with isolated light showers. East winds 20 to 25 mph. Highs around 87. Chance of showers 10 percent.
Thursday Night Through Monday
Breezy. Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s.



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357 AM ChST Tue Dec 9 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database