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

Flooding Lingers Across the Northeast; Fire Weather Concerns Continue Out West

Although the heaviest rainfall has ended, significant flooding continues across parts of New York and Pennsylvania. Heavy rainfall may also lead to localized flash flooding across Central parts of the country. Across the west, dry thunderstorms with locally strong winds could lead to dust storms or new fire starts this week. Read More >

Hazardous Weather Conditions

Current conditions at

Agana, Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 299ft.

Mostly Cloudy

82°F

28°C

Humidity 94%
Wind Speed E 14 G 24 mph
Barometer 29.62 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 15 Aug 3:19 pm ChST
Extended Forecast for

Santa Rosa GU

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Heat index values as high as 99. East southeast wind 8 to 10 mph. Chance of precipitation is 40%.

    Scattered
    Showers

    High: 87 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East southeast wind 7 to 13 mph becoming south after midnight. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 78 °F

  • Thursday

    Thursday: Scattered showers and thunderstorms before 7am. Partly sunny, with a high near 88. Heat index values as high as 100. Breezy, with a south wind 14 to 23 mph. Chance of precipitation is 40%.

    Breezy.
    Scattered
    Showers then
    Partly Sunny

    High: 88 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 78. Breezy, with a south wind 16 to 21 mph.

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

    Low: 78 °F

  • Friday

    Friday: Partly sunny, with a high near 88. Breezy, with a south wind 18 to 21 mph.

    Partly Sunny
    and Breezy

    High: 88 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 77.

    Mostly Cloudy

    Low: 77 °F

  • Saturday

    Saturday: Partly sunny, with a high near 88.

    Partly Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 77.

    Mostly Cloudy

    Low: 77 °F

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    Partly Sunny

    High: 88 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Heat index values as high as 99. East southeast wind 8 to 10 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East southeast wind 7 to 13 mph becoming south after midnight. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms before 7am. Partly sunny, with a high near 88. Heat index values as high as 100. Breezy, with a south wind 14 to 23 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 78. Breezy, with a south wind 16 to 21 mph.
Friday
Partly sunny, with a high near 88. Breezy, with a south wind 18 to 21 mph.
Friday Night
Mostly cloudy, with a low around 77.
Saturday
Partly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 77.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 77.
Monday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 89.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E (Elev. 249 ft)
Last Update:
9:29 am ChST Aug 15, 2018
Forecast Valid:
3pm ChST Aug 15, 2018-6pm ChST Aug 22, 2018
 
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