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National Weather Service Forecast Discussion

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305
FXUS64 KHGX 290610
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1210 AM CST Thu Jan 29 2026

...New DISCUSSION, MARINE...

.KEY MESSAGES...

- Light freeze until mid morning across northern parts of the
  area. There is a non-zero chance of a few isolated pockets of
  freezing fog toward sunrise.

- Cold front pushes through this evening, but Arctic air really
  doesn`t filter in until Friday night.

- Hard freezes for northern parts of the area Friday night & most
  of the region Saturday night.

&&

.DISCUSSION...
Issued at 1208 AM CST Thu Jan 29 2026

Look for another cool start to the day. Latest guidance isn`t quite
as bullish with the freezing fog potential between now and mid
morning near the Piney Woods/Brazos Valley (~30%), versus some of
the earlier (50%+ runs), but the potential is there so some caution
is advised for the early morning commute. Otherwise, we should see a
nice warm up with readings making their way into the 60s with the sw
llvl winds ahead of the next incoming front. This dry front will
push thru the region this evening.

Cold, Arctic high pressure will spill southward into SE TX Friday
night through Saturday Night. Corresponding temps will take a dive
back down into hard freeze territory for the Piney Woods area Friday
night and daytime highs on Sat only between 36-45F for all the area.
By Saturday night almost all inland locations will see a hard freeze
with lows in the 17-22F range. Cannot rule out a Cold Weather
Advisory or two.

Ridging transitions to the east later Sunday, with a
warming/modifying trend ensuing early next week. Next chance of rain
comes into play Tuesday or Wednesday as moisture recovers with the
onshore flow, we see a somewhat messy upper pattern, and another
front getting closer to the region. 47

&&

.AVIATION...
(00Z TAF Issuance)
Issued at 629 PM CST Wed Jan 28 2026

All sites at VFR at this time. Expecting SGR/GLS/LBX to remain VFR
through the period. Light patchy fog will be possible at these
sites; however, not expecting to drop below VFR levels. For
IAH/HOU/CXO, anticipating fog to be a bit more impactful,
particularly for IAH/HOU where fog may bring VSBYs down to IFR
levels from around 11Z through 14Z. Further north, at CLL/UTS, air
temperatures are expected to drop to below freezing. Enhanced
radiational cooling with clear skies and light winds will serve as
a catalyst for fog development in these areas, and with freezing
temperatures, have included in the forecast the potential for
freezing fog overnight into Thursday morning. Fog could become
dense at times, which could create slick conditions on runways and
light icing on exposed surfaces. Expect improvement to VFR by mid
to late morning across all sites.

Bailey

&&

.MARINE...
Issued at 1208 AM CST Thu Jan 29 2026

Light winds and low seas will prevail through the day. The next cold
front will push off the coast late this evening followed by moderate
north winds and building seas. Small Craft Advisories may be
required late tonight. With a reinforcing shot of cold, Arctic air
anticipated Friday night, winds and seas should further increase
into Saturday, then gradually decrease Sunday. On the bays, already
low astronomical tides will produce some negative water levels this
week, even more so Friday night into the weekend with stronger north
winds in place. Low Water Advisories are already in place. 47

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  65  32  50  24 /   0   0   0   0
Houston (IAH)  67  37  53  30 /   0   0   0   0
Galveston (GLS)  64  42  54  34 /   0   0   0   0

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...None.
GM...Low Water Advisory until midnight CST Saturday night for GMZ330-
     335.

&&

$$

DISCUSSION...47
AVIATION...Bailey
MARINE...47

NWS HGX Office Area Forecast Discussion