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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Mostly Cloudy

87°F

31°C

Humidity 65%
Wind Speed NE 18 mph
Barometer 29.75 in (1006.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 10 Apr 2:54 pm ChST
Extended Forecast for

Santa Rosa GU

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 21 mph, with gusts as high as 28 mph.

    Low: 77 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 86. Breezy, with a northeast wind 22 to 24 mph, with gusts as high as 30 mph.

    High: 86 °F

    Isolated
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Isolated showers. Mostly cloudy, with a low around 77. Breezy, with a northeast wind 24 to 26 mph, with gusts as high as 34 mph.

    Low: 77 °F

    Isolated
    Showers and
    Breezy

  • Sunday

    Sunday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a northeast wind 26 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Windy, with a northeast wind 29 to 32 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.

    Low: 78 °F

    Scattered
    Showers and
    Windy

  • Monday

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

    Low: 79 °F

    Scattered
    Showers and
    Windy

  • Tuesday

    Tuesday: Showers likely 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

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Windy.

    Low: 77 °F

    Scattered
    Showers and
    Windy

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 77. Northeast wind around 21 mph, with gusts as high as 28 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 86. Breezy, with a northeast wind 22 to 24 mph, with gusts as high as 30 mph.
Saturday Night
Isolated showers. Mostly cloudy, with a low around 77. Breezy, with a northeast wind 24 to 26 mph, with gusts as high as 34 mph.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a northeast wind 26 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Windy, with a northeast wind 29 to 32 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.
Monday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. Windy. Chance of precipitation is 50%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. Windy. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 85. Windy.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Windy.
Wednesday
A chance of showers. Mostly cloudy, with a high near 87. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 77. Breezy.
Thursday
Partly sunny, with a high near 87. Breezy.
Thursday Night
Partly cloudy, with a low around 78.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:07 am ChST Apr 10, 2026
Forecast Valid:
3pm ChST Apr 10, 2026-6pm ChST Apr 17, 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