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National Weather Service Forecast Discussion

789
FXUS64 KHGX 160535
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1235 AM CDT Thu Jul 16 2026

...New DISCUSSION, MARINE...

.KEY MESSAGES...

- Shower and thunderstorm chances and coverage will be diminishing
  today and Friday compared to previous days.

- A more typical summertime pattern is expected this weekend and
  into next week with even lower (if any) rain chances.

- With more sun and drier air moving back in, look for daytime
  highs to climb back into the mid 90s.

&&

.DISCUSSION...
Issued at 1235 AM CDT Thu Jul 16 2026

Mid-upper trough that has been responsible for all the rain this
week will continue tracking further west as higher pressure builds
into the region from the east. PW`s, previously in the 2.0-2.3"
range, will be lowering...but still a respectable 1.7-2.0" at
times through Friday. So, even though overall rain chances and
coverage should be on a decline...I`d still anticipate some
isolated-scattered activity the next few days.

Heading into the weekend and next week, lower moisture values
combined with more predominate ridging (both in the llvls and
aloft) should keep rain chances at a relative minimum. With the
drier air place, we should see daytime highs climb back well into
the mid 90s. 47

&&

.AVIATION...
(00Z TAF Issuance)
Issued at 639 PM CDT Wed Jul 15 2026

Rain chances will continue to decrease late this evening and winds
will relax to 5 KTS or less tonight. MVFR cigs are possible over
sites north of I-10 during the overnight to early morning hours,
along with areas of patchy fog. Fog, if any, will burn off around
14-15Z. Cigs will gradually rise during the morning hours, but
may remain overcast (mostly VFR) for much of the day. Iso-sct
showers and iso thunderstorms can be expected throughout the day,
mainly for sites north of IAH. Winds will be generally S-SE at
5-10 KTS Thu, relaxing to 5 KTS or less by the early night hours.
MVFR cigs are possible again late Thu night into early Fri
morning.

Cotto/Wingo

&&

.MARINE...
Issued at 1235 AM CDT Thu Jul 16 2026

SE/S winds in the 12-17kt range will prevail for the next several
days. Speeds will be highest at night offshore and during the
afternoons/evenings in the bays. Scattered shower and storm coverage
will be trending down from what we have experienced the past several
days today and Friday...and even moreso this weekend and next week.
Seas should mostly be in the 3-4ft range...maybe a touch higher
beyond 40nm offshore. The center of surface high pressure will be
moving into the northwest Gulf late in the weekend and early next
week which should cause a reduction in speeds/seas and a more SSW
component to the winds. 47

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  88  74  90  74 /  40  20  20  10
Houston (IAH)  91  78  93  77 /  20  10  30  20
Galveston (GLS)  90  85  90  84 /  20  20  10   0

&&

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

&&

$$

DISCUSSION...47
AVIATION...Cotto
MARINE...47

NWS HGX Office Area Forecast Discussion