Severe Thunderstorms from the Midwest to Mid-Atlantic Tonight; The Heat Continues in the Southern and Eastern U.S.

Strong to severe thunderstorms capable of producing large to very large hail, damaging wind gusts and a few strong tornadoes are likely from the Midwest to the Mid-Atlantic tonight. Moderate Risk (level 4 of 5) of severe thunderstorms is outlooked for the Midwest. A widespread heat wave will peak in the South and East on Friday, with many temperature records expected to be broken. Read More >

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FXZS60 NSTU 120141
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago AS
241 PM SST Thu Jun 11 2026

.Short term...
TONIGHT THROUGH SATURDAY NIGHT...High pressure to the southwest
and the trough up north will continue to hold a steep pressure
gradient over the territory tonight through the weekend. This
pressure gradient will generate near gale trades tonight and
persist through Saturday night. The trough will push slightly
north on Friday through Saturday night, decreasing showers to
scattered across the territory.

.Long term...
SUNDAY THROUGH THURSDAY...The trough will draw near the territory
and showers will increase to numerous on Sunday. With the high
pressure displace southeast of the territory, trades will shift
east on Sunday. A low will develop near Fiji on Sunday and this
will drag moisture southwest. As the pressure gradient weakens,
winds will gradually diminish on Monday to gentle northeast flow
on Wednesday. The southwest movement of moisture will increase
showers across the islands through Tuesday night. Showers will
decrease over the islands on Wednesday as the col brings light
north winds over the territory. However, the associated trough to
the southwest will again move northeast and bring trades over the
islands on Thursday night.

&&

.Marine...
PacIOOS buoy near Aunuu shows seas of 15 feet and higher in the
last couple of hours. Strong swells from the south will continue
to impact the territory through tonight. The swells are expected
to pass and subside on Friday morning. However, with near gale
trades remaining across the islands, seas will slightly subside 9
to 12 feet on Friday and persist through Saturday. With the
prolong period of near gale trades over the islands, seas will
again build 12 to 15 feet on Saturday night and persist through
Sunday night. With winds gradually diminishing on Monday, seas
will also subside 9 to 12 feet through Tuesday. Furthermore, seas
will continue to subside 7 to 9 feet on Tuesday night before
subside 5 to 7 feet on Thursday.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
High Surf

&&

$$