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National Weather Service Forecast Discussion

792
FXUS64 KHGX 032350
AFDHGX

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

...New AVIATION...

.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 1257 AM CDT Mon Aug 3 2026

Pattern remains status quo for a good part of the week with
mid/upper ridging situated across the Desert Southwest into Texas,
troffiness in the SE states, and ridging in the Atlantic. Locally,
drier air & subsidence should be fairly dominate and keep things
mostly dry through the midweek period (though an isolated late day
shower can`t totally be ruled out with the seabreeze).

Thursday and into the weekend, PW`s trend upward and closer to the
2" range. And, depending on your model of choice, maybe a few
weak inverted H5 waves tracking wwd across the nrn Gulf Coast toward
TX. Either should allow for slightly better diurnally driven rain
chances and coverage (perhaps 30-40%). 47

&&

.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 1257 AM CDT Mon Aug 3 2026

Light to moderate onshore winds and low seas are expected through
the forecast period. Rain chances will be low through most of the
work week and slightly increase going into the weekend.  47

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  76  99  76  98 /   0   0   0  10
Houston (IAH)  78  99  78  97 /  20  10   0  20
Galveston (GLS)  83  92  83  91 /  10   0   0  10

&&

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

$$

DISCUSSION...47
AVIATION...BSM
MARINE...47

NWS HGX Office Area Forecast Discussion