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National Weather Service Forecast Discussion

147
FXUS64 KHGX 282337
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
637 PM CDT Wed Oct 28 2026

...New AVIATION...

.KEY MESSAGES...

- Scattered showers dissipate this evening. Some patchy fog
  possible in the late night and early morning hours.

- Slightly drier air briefly moves in from the east on Thursday.

- Rain chances return Friday through the weekend as moisture
  levels increase and a few upper level disturbances pass through.
  The best chances of rain look to be on Saturday during the day.

&&

.DISCUSSION...
Issued at 1244 PM CDT Wed Oct 28 2026

Scattered showers, mainly along and east of I-45, should dissipate
early this evening. We`ll be looking for some patchy fog development
in that same general area later tonight into early Thursday
morning. Some slightly lower PW air should briefly move into the
region from the east Thursday & Thursday night shunting the
majority of rain chances west of the region.

Friday, we`ll see the soupy 1.5-2.0" PWs track back into the region.
Disturbances embedded in the swly flow aloft will be tracking
newd across Texas, and combined with the higher moisture levels,
bring chances of rain back into the forecast. Best chances and
overall coverage currently look to occur during the daytime hours
Saturday. Heading into Halloween evening, fairly warm/muggy
conditions will prevail for this time of year, but rain chances
should be tapering down...and continue to do so as the night
progresses.

Mid-upper ridging will build overhead Sunday in advance of a
deepening/digging lee side trof. This trof will sag southward
into OK/TX early-mid next week. Timing, positioning, and details
in regards to when its associated surface front will push through
are somewhat fuzzy. But with time, we`d anticipate a improving
model consensus allowing us to narrow down the time period for
tstms and fropa. Right now there`s a range between late Mon night
and late Tue night. 47

&&

.AVIATION...
(00Z TAF Issuance)
Issued at 637 PM CDT Wed Oct 28 2026

Any remaining isol showers have dissipated by the start of the
evening. VFR ceiling persist into the overnight hrs as winds relax
to LGT and VRB. During the sunrise hrs CXO, UTS, CLL all have
increased chances for BR/FG with reduced VIS/CIGS possible to MVFR
even IFR. IAH has a high uncertainty for the reduced flight
conditions and is anticipated to remain VFR. Winds increase in the
morning between 5-10kts out of the ESE. Tomorrow conditions prevail
as VFR.

CMW

&&

.MARINE...
Issued at 1244 PM CDT Wed Oct 28 2026

A long easterly fetch situated across the northern Gulf will
maintain 3 to 4 foot seas for much of the week. Isolated to
scattered showers and thunderstorms are possible at times as weak
disturbances pass through. Chances and overall coverage appears
to be highest on Saturday. The next front is penciled in for
early next week. 47

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  64  82  63  78 /  10  10  10  20
Houston (IAH)  65  83  65  81 /  10  10   0  10
Galveston (GLS)  72  80  71  80 /  10   0   0  20

&&

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

$$

DISCUSSION...47
AVIATION...CMW
MARINE...47

NWS HGX Office Area Forecast Discussion