Heavy Rain and Flash Flooding Possible Central Gulf Coast to the Southeast

Locally heavy rain will impact the central Gulf Coast to the Southeast today. Several inches of rain could fall in just a few hours. Severe thunderstorms with damaging winds and hail are possible in the Southeast and south Texas. Strong winds are expected in parts of Montana while near record warmth will increase snowmelt from streams and rivers flowing off the Sierra.
Read More...

Hazardous Weather Conditions

Last Update: 318 PM SST MON MAY 22 2017

View Nearby Observations

For More Weather Information:

Pago Pago, American Samoa Local Forecast Office

Marine Zone Forecast

...A SMALL CRAFTS ADVISORY REMAINS IN EFFECT...

Synopsis: A SURFACE TROUGH FROM WEST-SOUTHWEST WILL MOVE NEAR THE SAMOAN ISLANDS THROUGH WEDNESDAY. A SURFACE RIDGE NORTHEAST OF MANU'A WILL MOVE SOUTHEAST SLOWLY. HAZARDOUS SOUTH SWELLS WILL PERSIST THROUGH THURSDAY NIGHT.

Tonight
East winds 10 to 20 kt. Seas 9 to 12 ft. Numerous showers with isolated thunderstorms.
Tuesday And Tuesday Night
Northeast winds 10 to 15 kt becoming north tuesday night. Seas 9 to 12 ft. Scattered showers.
Wednesday Through Thursday
North winds 10 to 15 kt becoming variable winds up to 10 kt. Seas subsiding to 7 to 9 ft. Scattered showers.
Thursday Night Through Saturday
Southeast winds 10 to 15 kts. seas 7 to 9 ft subsiding to 5 to 7 ft by friday. Isolated showers. the next scheduled forecast will be issued at 1000 pm sst. For the other forecasts and model data go to our web page http://www.prh.noaa.gov/samoa
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 318 PM SST MON MAY 22 2017
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data