Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Mostly Cloudy and Windy

81°F

27°C

Humidity 85%
Wind Speed SW 29 G 52 mph
Barometer 29.39 in (994.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Apr 10:54 pm ChST
Extended Forecast for

Santa Rosa GU

Typhoon Watch until further notice
Tropical Storm Warning until further notice
Flood Watch April 15, 11:20pm until April 16, 04:00am
High Surf Warning April 15, 11:20pm until April 17, 05:00pm
Coastal Flood Warning April 15, 11:20pm until April 16, 05:00am
Click here for hazard details and duration
Typhoon Watch until further notice
Tropical Storm Warning until further notice
Flood Watch
High Surf Warning
Coastal Flood Warning
  •  
    Typhoon Watch until further notice
    Tropical Storm Warning until further notice
    Flood Watch April 15, 11:20pm until April 16, 04:00am
    High Surf Warning April 15, 11:20pm until April 17, 05:00pm
    Coastal Flood Warning April 15, 11:20pm until April 16, 05:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 79 °F

    Isolated
    Showers and
    Breezy

  • Thursday

    Thursday: Isolated showers.  Mostly sunny, with a high near 85. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 39 mph.

    High: 85 °F

    Isolated
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Isolated showers.  Partly cloudy, with a low around 78. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 33 mph.

    Low: 78 °F

    Isolated
    Showers and
    Breezy

  • Friday

    Friday: Isolated showers.  Mostly sunny, with a high near 86. West wind 16 to 20 mph, with gusts as high as 25 mph.

    High: 86 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers.  Partly cloudy, with a low around 78. West wind 11 to 16 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Isolated
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Tonight
Isolated showers. Mostly cloudy, with a low around 79. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 37 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 85. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 39 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 78. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 33 mph.
Friday
Isolated showers. Mostly sunny, with a high near 86. West wind 16 to 20 mph, with gusts as high as 25 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 78. West wind 11 to 16 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Mostly sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
6:07 pm ChST Apr 15, 2026
11pm ChST Apr 15, 2026-6pm ChST Apr 22, 2026
 
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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