Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

402
FXZS60 NSTU 030217
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago AS
317 PM SST Thu Jul 2 2026

.Short term...
[TONIGHT THROUGH FRIDAY NIGHT]...Latest satellite trends show a
line of surface clouds pushing northeast as a strong high pressure
system builds to the southwest. Expect widespread showers and the
potential for flash flooding to continue through tonight, until
all the rain shifts farther northeast on Friday; scattered showers
will hold thereafter. Additionally, the high pressure will
maintain breezy southerly trades for the July 4th weekend. Expect
cooler air temperatures as the south winds ushers in cool air
from the south.

.Long term...
[SATURDAY THROUGH THURSDAY]...The high pressure system will be the
dominate weather feature during the long term forecast. Expect
south winds of 15 to 25 mph to diminish slightly to 10 to 20 mph
by Saturday as the aforementioned trough weakens in the area.
Scattered showers will persist through Thursday, while south winds
will turn southeast as the high pressure tracks eastward. Overall,
fair weather is expected for the rest of the forecast period.

&&

.Marine...
A High Surf Warning remains in effect as a strong south swell
continues to impact coastal waters. Latest wave heights observed
at the PacIOOS buoys are around 10 feet with peak periods up to 18
seconds. Expect large surfs, strong rip currents, and debris on
roadways through Friday until the swell gradually subsides Friday
night. Elevated seas will remain through the weekend as the breezy
weather pattern persists.

&&

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

&&

$$

TM