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National Weather Service Forecast Discussion

552
FXUS64 KHGX 060405
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1105 PM CDT Wed Aug 5 2026

...New DISCUSSION, MARINE...

.KEY MESSAGES...

- Seasonably hot with highs in the 90s and heat index values
  100-107F each day.

- An isolated late day shower can`t be ruled out along the
  seabreeze in the afternoons.

- Slightly better rain chances expected Thursday into early next
  week for the eastern and southern parts of the region as some
  deeper moisture flows back inland.

&&

.DISCUSSION...
Issued at 1105 PM CDT Wed Aug 5 2026

Ridging centered over the Southwest CONUS/Four Corners will keep
uneventful weather over the region through the better half of next
week at least. Heights and 850mb temperatures are still expected to
drop into the weekend, resulting slightly lower heat stress and
surface temperatures. Reduced subsidence and rising PWs should bring
better rain chances during this period as well, with isolated to
scattered showers and storms possible along the seabreeze/baybreeze
each afternoon. Highs remain in the 90s each day with heat indices
reaching the triple digits in the afternoon. Some patchy fog will be
possible during the early morning hours.

03

&&

.AVIATION...
(00Z TAF Issuance)
Issued at 635 PM CDT Wed Aug 5 2026

VFR conditions are expected for much of the forecast period, with
the exemption of the potential for a brief period of MVFR cigs to
possibly IFR cigs from around 11-14Z for some sites. Winds will
relax to 5 KTS or less tonight and become VRB. Winds will be SSW
at 5-10 KTS Thu morning and turn S-SE at 08-12 KTS Thu afternoon.
There is a slight chance for iso showers/thunderstorms in the
afternoon, in particular for HOU/IAH/SGR/CXO. Storms, is any, are
expected to dissipate in the evening.

Cotto

&&

.MARINE...
Issued at 1105 PM CDT Wed Aug 5 2026

Onshore winds 10-15 knots and seas of 2-4 feet are expected
throughout the next several days. Rain chances increase slightly
through early next week. Chances for isolated to scattered showers
and storms will be greatest during the late night through early
afternoon hours for the Gulf.

03

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  97  76  96  76 /   0   0   0   0
Houston (IAH)  98  78  97  79 /  20  20  20  10
Galveston (GLS)  90  83  91  83 /   0   0  20  10

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...None.
GM...None.
&&

$$

DISCUSSION...03
AVIATION...Cotto
MARINE...03

NWS HGX Office Area Forecast Discussion