Heavy Rainfall And Severe Weather Potential From The Great Lakes and Ohio Valley to South Central Plains; Western Fire Weather Threats Remain Elevated

A low pressure system and front moving through the Mississippi Valley may yield heavy to excessive rainfall and the threat for some severe thunderstorms from parts of the Great Lakes and Ohio Valley to South Central Plains. Fire weather threats will remain elevated across the Northwest into the northern Rockies, as a system from the Pacific moves into and through the area over the next few days. Read More >

Current conditions at

Agana, Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 299ft.

Mostly Cloudy

86°F

30°C

Humidity 83%
Wind Speed S 14 G 31 mph
Barometer 29.74 in (1006.1 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 17 Aug 9:54 am ChST
Extended Forecast for

3 Miles S Agat GU

High Surf Advisory until August 20, 05:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until August 20, 05:00am

    NOW until
    5:00am Mon

    High Surf Advisory

  • Today

    Today: Partly sunny, with a high near 88. Heat index values as high as 98. Breezy, with a south southwest wind around 21 mph, with gusts as high as 24 mph.

    Partly Sunny
    and Breezy

    High: 88 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 77. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 23 mph.

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

    Low: 77 °F

  • Saturday

    Saturday: Partly sunny, with a high near 88. Heat index values as high as 99. Southwest wind 13 to 18 mph, with gusts as high as 22 mph.

    Partly Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 77. West wind 10 to 16 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 77 °F

  • Sunday

    Sunday: Scattered showers and thunderstorms.  Cloudy, with a high near 87. West southwest wind 10 to 17 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Scattered showers and thunderstorms.  Cloudy, with a low around 77. Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 77 °F

  • Monday

    Monday: Scattered showers and thunderstorms.  Cloudy, with a high near 87. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 87 °F

  • Monday
    Night

    Monday Night: Scattered showers and thunderstorms.  Cloudy, with a low around 77. Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 77 °F

Detailed Forecast

Today
Partly sunny, with a high near 88. Heat index values as high as 98. Breezy, with a south southwest wind around 21 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 77. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 88. Heat index values as high as 99. Southwest wind 13 to 18 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 77. West wind 10 to 16 mph, with gusts as high as 20 mph.
Sunday
Scattered showers and thunderstorms. Cloudy, with a high near 87. West southwest wind 10 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers and thunderstorms. Cloudy, with a low around 77. Chance of precipitation is 50%.
Monday
Scattered showers and thunderstorms. Cloudy, with a high near 87. Chance of precipitation is 50%.
Monday Night
Scattered showers and thunderstorms. Cloudy, with a low around 77. Chance of precipitation is 50%.
Tuesday
Scattered showers and thunderstorms. Cloudy, with a high near 87. Chance of precipitation is 50%.
Tuesday Night
Scattered showers and thunderstorms. Cloudy, with a low around 77. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Cloudy, with a high near 87. Chance of precipitation is 50%.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 77.
Thursday
Isolated showers. Partly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
3 Miles S Agat GU
 13.33°N 144.67°E (Elev. 994 ft)
6:28 am ChST Aug 17, 2018
10am ChST Aug 17, 2018-6pm ChST Aug 23, 2018
 
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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