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National Weather Service Forecast Discussion

068
FXUS64 KHGX 050529
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1229 AM CDT Fri Jun 5 2026

...New DISCUSSION, MARINE...

.KEY MESSAGES...

- Scattered to occasionally numerous showers and storms are
  expected for the remainder the week.

- Warm and humid conditions will prevail in between rounds of
  precipitation.

- Look for increasing winds/seas/rip current risk along the coast
  starting today through at least the weekend.

&&

.DISCUSSION...
Issued at 1225 PM CDT Thu Jun 4 2026

Scattered/numerous showers and thunderstorms will continue for the
through the weekend. A upper level low near Baja California and
western Mexico will eventually cutoff later today which will help
with having another focus for storms to initiate on. The best
diffluence is a bit just west of the area but could definitely see
storms starting in SE Texas from outflow boundaries from the west.
Besides that, the typical diurnally driven summertime convective
storm pattern continues with showers/storms near and off the coast
in the early morning hours, then more inland during the day when peak
heating nears and reaches its peak.
Rainfall wise, onshore flow continues to pump rich moist air from
the gulf so storms will be very efficient rainmakers. Due to the
scattered nature of the storms the past few days, total rain from
the past few days is quite spotty with most areas have already
seen 1-3 inches of rainfall in the past day or so with locally
higher totals in a few spots such as in the Galveston area. While
most places still have relatively low soil moisture, the hardest
hit areas from previous days could see any additional rainfall be
mostly runoff. So overall thinking the marginal risk of excessive
rainfall by WPC to be warranted for the next few days.

The rain and cloud cover should help cap the high temperatures in
most places but for anywhere that gets full sun could easily see
highs in the low 90s and heat index values in the upper 90s to
low 100s. Going into next week, a upper level ridge starts to
build out in the western continental US which will help reduce
but not completely eliminate storm chances. However with less
storms and cloud cover will mean more places will heat up, so take
precautions while outdoors especially if it will be prolonged.


&&

.AVIATION...
(00Z TAF Issuance)
Issued at 649 PM CDT Thu Jun 4 2026

VFR at all site this evening. Still have showers and storms
working their way through the area as we continue to have an
influx of moisture interact with an unstable environment.
Overnight activity will be possible closer to the coast.
VFR conditions will prevail through around 03-06Z, after which
MVFR CIGs will move in. A brief period of IFR CIGs will be
possible at CLL. Expect conditions to bounce between MVFR/VFR
through much of the day as more showers and thunderstorms develop
during the daytime and continue through the end of the TAF cycle.

Bailey

&&

.MARINE...
Issued at 1225 PM CDT Thu Jun 4 2026

Onshore flow continues for the coastal areas with winds just
touching or at small craft exercise caution criteria. That will
wane in the early morning hours today but additional rounds of
winds of 15 to 20 knots are possible through the weekend. Due to
the prolonged SE to E winds, additional water will be piling up at
the east/south facing shores. Rip current risk will steadily
increase through the weekend and into the early parts of next
week. Coastal flooding does not seem to be a concern right now but
a few of the lowest lying spots may see water during high tide.

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  72  85  72  86 /  30  40  30  60
Houston (IAH)  73  86  75  88 /  60  60  10  50
Galveston (GLS)  80  87  80  88 /  40  30  10  10

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...None.
GM...Small Craft Should Exercise Caution until 1 AM CDT Friday for
     GMZ330-335-350-355-370-375.

&&

$$

DISCUSSION...BL
AVIATION...Bailey
MARINE...BL

NWS HGX Office Area Forecast Discussion