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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Light Rain

77°F

25°C

Humidity 90%
Wind Speed NE 8 mph
Barometer 29.78 in (1007.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Apr 4:54 am ChST
Extended Forecast for

Hagatna GU

  • Today

    Today: Isolated showers. Mostly sunny, with a high near 87. Northeast wind 16 to 21 mph, with gusts as high as 28 mph.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. North northeast wind 16 to 18 mph, with gusts as high as 24 mph.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 86. Breezy, with a north northeast wind 16 to 22 mph, with gusts as high as 28 mph.

    High: 86 °F

    Isolated
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. North northeast wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Sunday

    Sunday: Showers likely. Cloudy, with a high near 85. Breezy, with a northeast wind 18 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms. Cloudy, with a low around 78. Windy. Chance of precipitation is 50%.

    Low: 78 °F

    Scattered
    Showers and
    Windy

  • Monday

    Monday: Scattered showers and thunderstorms. Cloudy, with a high near 85. Windy. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers and
    Windy

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 79. Windy.

    Low: 79 °F

    Heavy Rain
    and Windy

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 85. Windy.

    High: 85 °F

    Heavy Rain
    and Windy

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 87. Northeast wind 16 to 21 mph, with gusts as high as 28 mph.
Tonight
Isolated showers. Partly cloudy, with a low around 77. North northeast wind 16 to 18 mph, with gusts as high as 24 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 86. Breezy, with a north northeast wind 16 to 22 mph, with gusts as high as 28 mph.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. North northeast wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday
Showers likely. Cloudy, with a high near 85. Breezy, with a northeast wind 18 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Sunday Night
Scattered showers and thunderstorms. Cloudy, with a low around 78. Windy. Chance of precipitation is 50%.
Monday
Scattered showers and thunderstorms. Cloudy, with a high near 85. Windy. Chance of precipitation is 50%.
Monday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 79. Windy.
Tuesday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 85. Windy.
Tuesday Night
Showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
A chance of showers. Mostly cloudy, with a high near 87.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 76.
Thursday
A chance of showers. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hagatna GU
 13.47°N 144.76°E
Last Update:
6:07 pm ChST Apr 9, 2026
Forecast Valid:
5am ChST Apr 10, 2026-6pm ChST Apr 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation