Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms And Heavy Rain Over Portions Of Plains, Mid Atlantic On Friday

Scattered strong-to-severe thunderstorms are possible from the Mid-Missouri Valley into the central Plains on Friday. Also, a few strong-to-severe storms are possible from the Mid-Atlantic into Upstate New York and western New England. Storms in these areas will also be capable of producing torrential rainfall that could lead to isolated flash flooding. Read More >

Current conditions at

Agana, Guam International Airport (PGUM)

Lat: 13.48° N Lon: 144.8° E Elev: 299 ft.

A Few Clouds



Humidity 100%
Wind Speed Calm
Barometer 29.86 in (1010.3 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Aug 10:54 pm ChST
Detailed forecast for


Mostly cloudy. Isolated thunderstorms. Isolated showers becoming scattered by midnight. Southeast winds around 10 mph. Lows around 78. .saturday..mostly cloudy with scattered showers and isolated thunderstorms. Southeast winds 10 to 15 mph. Highs around 88.
Saturday Night And Sunday
Mostly cloudy with isolated showers and thunderstorms. Southeast winds 10 to 15 mph. lows around 78. Highs around 88.
Sunday Night
Partly cloudy with isolated showers. Light and variable winds. Lows around 78.
Monday Through Friday
Partly cloudy with isolated showers. highs in the upper 80s. Lows in the upper 70s.


Click Map For Forecast
400 PM ChST Fri Aug 18 2017

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database