National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Overcast

80°F

27°C

Humidity 87%
Wind Speed N 20 G 30 mph
Barometer 29.63 in (1002.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Apr 6:54 am ChST
Extended Forecast for

Tamuning GU

Typhoon Watch until further notice
Tropical Storm Warning until further notice
Coastal Flood Watch until April 15, 04:00pm
Flood Watch April 13, 07:00am until April 15, 10:00am
High Surf Warning April 13, 07:00am until April 16, 06:00pm
Click here for hazard details and duration
Typhoon Watch until further notice
Tropical Storm Warning until further notice
Coastal Flood Watch
Flood Watch
High Surf Warning
  •  
    Typhoon Watch until further notice
    Tropical Storm Warning until further notice
    Coastal Flood Watch until April 15, 04:00pm
    Flood Watch April 13, 07:00am until April 15, 10:00am
    High Surf Warning April 13, 07:00am until April 16, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 85 °F

    Scattered
    Showers and
    Windy

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Windy, with a north northwest wind 34 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers and
    Windy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Cloudy, with a high near 83. Windy, with a northwest wind 41 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 50%.

    High: 83 °F

    Scattered
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Cloudy, with a low around 79. Windy, with a west wind 38 to 44 mph, with gusts as high as 60 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers and
    Windy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Windy, with a west southwest wind 32 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 50%.

    High: 84 °F

    Scattered
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Windy. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers and
    Windy

  • Thursday

    Thursday: Scattered showers and thunderstorms before 3pm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 77. Breezy.

    Low: 77 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. Windy, with a north wind 28 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Windy, with a north northwest wind 34 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers and thunderstorms. Cloudy, with a high near 83. Windy, with a northwest wind 41 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers and thunderstorms. Cloudy, with a low around 79. Windy, with a west wind 38 to 44 mph, with gusts as high as 60 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. Windy, with a west southwest wind 32 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Windy. Chance of precipitation is 50%.
Thursday
Scattered showers and thunderstorms before 3pm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 77. Breezy.
Friday
Partly sunny, with a high near 86. Breezy.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tamuning GU
 13.49°N 144.79°E
Last Update:
6:07 am ChST Apr 13, 2026
Forecast Valid:
7am ChST Apr 13, 2026-6pm ChST Apr 19, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation