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National Weather Service Forecast Discussion

907
FXUS64 KHGX 241134
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
634 AM CDT Tue Mar 24 2026

...New AVIATION...

.KEY MESSAGES...

- Mid-level high pressure will keep conditions dry and
  temperatures well-above normal over the next several days.

- Persistent southerly flow will lead to the development of
  patchy to areas of fog (some locally dense) and low clouds over
  the next several nights.

- Cooler temperatures are possible over the weekend with the
  passage of a dry cold front.

&&

.DISCUSSION...
Issued at 1203 AM CDT Tue Mar 24 2026

The cold front that stalled just north of the Brazos Valley and
Piney Woods region will gradually lift northward tonight into
early Tuesday. Light variable winds are expected tonight along
with low temperatures mainly in the lower 60s inland and the mid
60s over the Houston metro area and the coasts. Low temperature
and dewpoint spreads are expected overnight and with light winds
in place, areas of patchy to dense fog will likely over portions
of Southeast TX once again. It is recommended to check the traffic
conditions before starting your morning commute.

The day will start off cloudy but skies are expected to become
partly cloudy to sunny in the afternoon. The high temperatures will
warm up a few degrees, ranging in the lower 80s over the Piney Woods
region, the mid to upper 80s over the rest of the inland portions,
and the mid to upper 70s along the coast. South-southeast winds will
be light in the morning, then strengthen to 06-12 mph in the
afternoon. Winds will relax to around 5 mph near midnight.

On Wednesday, a mid-level high over northwestern Mexico will
strengthen and progress east into northern Mexico and western TX.
This will continue to result in a warm and dry weather pattern
over Southeast TX. The high temperatures are expected to range in
the upper 80s to lower 90s through the end of the work week. Under
the influence of southerly winds, moisture from the Gulf will
continue to filter into the region. This will help keep dewpoints
similar to the low temperatures (lower to mid 60s), leading to
periods of patchy to locally dense fog during the overnight and
early morning period for the rest of the week.

The weather for the upcoming weekend still looks to be a bit cooler
once a dry cold front pushes through Southeast TX sometime late
Friday or early Saturday. Although there are still some model
discrepancies with the timing of the front, they have been
consistent on indicating cooler temperatures during the weekend.
We might be lucky enough to have highs range in the mid 70s to
lower 80s range on Saturday. Unfortunately, southerly flow returns
quickly by early next week, leading to a warming trend once
again.

Cotto

&&

.AVIATION...
(12Z TAF Issuance)
Issued at 627 AM CDT Tue Mar 24 2026

Conditions ranging from MVFR to LIFR across the area this morning,
with a large swath of dense fog notable on satellite. This fog
will continue to hang around the area through at least 13-14z,
but after sunrise we should start to see it burn off. Conditions
return to VFR later this morning and those conditions should hold
through the remainder of the day. Wednesday morning looks to have
lower probabilities of fog compared to this morning, but not
going to rule out some patchy areas bringing MVFR conditions.

&&

.MARINE...
Issued at 1203 AM CDT Tue Mar 24 2026

Light southeasterly winds and seas of 1-3 feet are expected for
the rest of the work week. Areas of patchy sea fog is possible
over the bays and adjacent nearshore waters during the next few
days generally between the evening to mid-morning hours. A dry
cold front could push through Southeast TX sometime late Friday or
early Saturday, resulting in moderate to strong east northeast
winds and elevated seas in the wake of the front. Caution Flags
and Small Craft Advisories may be needed Friday night into
Saturday. Conditions should improve on Sunday.

Cotto

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  86  63  88  62 /   0   0   0   0
Houston (IAH)  86  65  87  65 /   0   0   0   0
Galveston (GLS)  77  67  77  67 /  10   0   0   0

&&

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

$$

DISCUSSION...Cotto
AVIATION...Lisney
MARINE...Cotto

NWS HGX Office Area Forecast Discussion