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National Weather Service Forecast Discussion

134
FXUS64 KHGX 040457
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1157 PM CDT Mon Aug 3 2026

...New DISCUSSION, MARINE...

.KEY MESSAGES...

- Seasonably hot with highs in the 90s and heat index values
  101-108F each day.

- An isolated late day shower can`t be ruled out along the
  seabreeze, but most locations will remain dry.

- Slightly better rain chances expected Thursday into the weekend
  with some deeper moisture moving in from the Gulf.

&&

.DISCUSSION...
Issued at 1153 PM CDT Mon Aug 3 2026

Clear to partly cloudy skies and warm temperatures anticipated
tonight with lows in mainly in the mid to upper 70s inland and the
upper 70s to lower 80s along the coast. There is a chance for
some isolated patchy fog early Tuesday morning, but chances are
low. Fog, if any, will burn off quickly shortly after sunrise.

Weather conditions will remain hot and on the dry side through
mid-week as the mid to upper level ridge remains situated over
Arizona, New Mexico, and extends into Texas. Expect the highs to
peak in the upper 90s inland (some isolated spots reaching 100 deg
F) and the lower to mid 90s along the coast through Wednesday.
Heat indices will peak between 103-108 deg F...thus, make sure to
continue to protect yourself, your loved ones, and pets from the
heat. From Thursday into the upcoming weekend, the highs are
expected to range in the lower to mid 90s inland (although some
spots could peak in the upper 90s) and the upper 80s to lower 90s
along the coast.

Subsidence will help limit rain chances early in the week.
Slightly better chances for showers (20-40%) are expected mid week
into the upcoming weekend as surface moisture moves in from the
Gulf waters and increases PWs. A good portion of these showers
are expected to develop near/along the seabreeze during the
afternoon to early evening hours.

Cotto

&&

.AVIATION...
(00Z TAF Issuance)
Issued at 629 PM CDT Mon Aug 3 2026

VFR conditions are expected to continue with winds 5-10kts out of
the S-SE. Tomorrow morning winds relax to 2-4 kts between 10-15Z
for most of our terminals. At this point, patchy fog is possible but
would burn up shortly after sunrise. Winds strengthen tomorrow
afternoon to 6-10 kts from the S-SE, with stronger winds along
our coast. An isolated SHRA is possible in the late afternoon on
Tuesday with the primary concern around the I-10 corridor. Any
storms that do pop up could be capable of producing gusts up to
15-20kts. Otherwise, VFR conditions are expected to persist
throughout the forecast period.

BSM

&&

.MARINE...
Issued at 1153 PM CDT Mon Aug 3 2026

Light to occasionally moderate onshore winds and seas of 1-3 feet
are expected through the upcoming weekend. A slight increase in
rain chances can be expected during the weekend.

Cotto

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  75  99  77  98 /   0   0   0   0
Houston (IAH)  78  99  79  98 /   0  10  10  10
Galveston (GLS)  83  92  83  90 /   0   0  10   0

&&

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

$$

DISCUSSION...Cotto
AVIATION...BSM
MARINE...Cotto

NWS HGX Office Area Forecast Discussion