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Heavy Rain and Potential for Flash Flooding in the Southwest and Central U.S.

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Current conditions at

Agana, Guam International Airport (PGUM)

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




Humidity 97%
Wind Speed S 3 mph
Barometer 29.84 in (1009.5 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 28 Jul 1:54 am ChST
Detailed forecast for


Partly cloudy with isolated showers. Southwest winds near 5 mph. Lows around 78.
Friday Through Saturday Night
Partly cloudy with isolated showers. Southwest winds 5 to 15 mph. Highs near 89. Lows around 78.
Sunday Through Thursday
Partly cloudy with isolated showers. Highs in the upper 80s. Lows in the upper 70s.

Click Map For Forecast
400 PM ChST Thu Jul 27 2017

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database