Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Fair

78°F

26°C

Humidity 82%
Wind Speed NE 8 mph
Barometer 29.85 in (1010.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Dec 11:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Overnight

    Overnight: Isolated showers.  Partly cloudy, with a low around 76. East northeast wind around 10 mph.

    Low: 76 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers.  Mostly sunny, with a high near 86. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 86 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers.  Partly cloudy, with a low around 76. East wind 7 to 14 mph.

    Low: 76 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers.  Mostly sunny, with a high near 86. East northeast wind 8 to 15 mph, with gusts as high as 18 mph.

    High: 86 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers.  Partly cloudy, with a low around 76. East northeast wind 10 to 14 mph.

    Low: 76 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers.  Mostly sunny, with a high near 86.

    High: 86 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 76. East northeast wind around 10 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 86. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 76. East wind 7 to 14 mph.
Friday
Isolated showers. Mostly sunny, with a high near 86. East northeast wind 8 to 15 mph, with gusts as high as 18 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 76. East northeast wind 10 to 14 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 76.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.69°E
6:05 pm ChST Dec 10, 2025
12am ChST Dec 11, 2025-6pm ChST Dec 17, 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