Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Light Rain Fog/Mist and Windy

78°F

26°C

Humidity 93%
Wind Speed W 52 G 69 mph
Barometer 29.19 in (987.7 mb)
Dewpoint 76°F (24°C)
Visibility 5.00 mi
Heat Index81°F (27°C)
Last update 15 Apr 6:54 am ChST
Extended Forecast for

Santa Rosa GU

Typhoon Watch until further notice
Tropical Storm Warning until further notice
Flood Watch April 15, 07:49am until April 16, 04:00am
High Surf Warning April 15, 07:49am until April 16, 06:00pm
Coastal Flood Warning April 15, 07:49am until April 16, 05:00am
Flash Flood Warning April 15, 07:49am until April 15, 08:30am
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, 07:49am until April 16, 04:00am
    High Surf Warning April 15, 07:49am until April 16, 06:00pm
    Coastal Flood Warning April 15, 07:49am until April 16, 05:00am
    Flash Flood Warning April 15, 07:49am until April 15, 08:30am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 84 °F

    Scattered
    Showers and
    Windy

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 79. Windy, with a west southwest wind 30 to 39 mph, with gusts as high as 55 mph.  Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers and
    Windy

  • Thursday

    Thursday: Scattered showers and thunderstorms before 4pm.  Partly sunny, with a high near 85. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 43 mph.  Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Isolated showers.  Mostly cloudy, with a low around 78. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 34 mph.

    Low: 78 °F

    Isolated
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 86. West southwest wind 16 to 18 mph, with gusts as high as 25 mph.

    High: 86 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • 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

Detailed Forecast

Today
Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Windy, with a west wind 37 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Windy, with a west southwest wind 30 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 50%.
Thursday
Scattered showers and thunderstorms before 4pm. Partly sunny, with a high near 85. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 50%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 78. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 34 mph.
Friday
Partly sunny, with a high near 86. West southwest wind 16 to 18 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 78.
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.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
6:06 am ChST Apr 15, 2026
7am ChST Apr 15, 2026-6pm ChST Apr 21, 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