Spring Severe Thunderstorms and Late-Season Snow This Week

Scattered strong to severe thunderstorms may produce damaging winds, large hail, and a couple of tornadoes from east Texas through the lower Mississippi and Tennessee Valleys today and Wednesday. Late-season snow will continue over parts of the central Rockies including the Denver Metro into Wednesday. Read More >

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FXZS60 NSTU 050106
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago AS
206 PM SST Mon May 4 2026

.Short term...
A Flash Flood Watch remains in effect until tonight as a trough
lingers in the area. Latest satellite data shows thunderstorms and
showers focused south of the Samoa Island chain, with some
convection over the Islands. The upper air sounding from this
afternoon holds a moist and unstable profile, suggesting shower
development and thunderstorm activity are still possible for the
next 24 hours. Expect widespread showers to persist for tonight,
gradually diminishing to numerous Tuesday morning. By midweek,
expect scattered showers with a light breeze as the trough exits
the region.

.Long term...
No significant weather systems are expected to dominate in the
area through Friday. Hence, expect variable winds up to 10 mph and
scattered showers for this duration. By the weekend, a strong high
pressure system building over Australia will shift winds
southeast at 10 to 15 mph.

&&

.Marine...
A south swell and nearby thunderstorms will hold elevated seas
through midweek. Current wave heights observed at the PacIOOS
buoys indicate waves within the 6 to 8 foot range. These heights
are within small craft advisory thresholds, which will remain in
effect until Wednesday. As these swells subside by Thursday,
expect lower wave heights to persist through the weekend.

.PPG WATCHES/WARNINGS/ADVISORIES...
Flash Flood Watch
Small Craft Advisory

&&

$$

TM