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National Weather Service Forecast Discussion

329
FXUS64 KHGX 241806
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
106 PM CDT Wed Jun 24 2026

...New DISCUSSION, MARINE...

.KEY MESSAGES...

- Hot conditions will continue this week, with potential for heat
  stress issues as heat indices approach 105-107F (41-42C) each
  day and WBGT risk peaks in the red category.

&&

.DISCUSSION...
Issued at 105 PM CDT Wed Jun 24 2026

Not too much to write about, as high pressure and upper ridge
settle in across the area. The building ridge will keep dry
conditions in place through much of the period, with drier air
helping to alleviate the higher heat indices we`ve experiences the
last week or so. That said, heat may still be a factor for those
spending a lot of times outdoors or those vulnerable to heat, so
caution should be used if spending time outdoors. Otherwise,
expect highs to warm into the lower to mid 90s and overnight lows
in the lower to mid 70s.

Moisture will begin to increase this weekend, as the ridge moves
east of the area. Meanwhile, weaknesses in the upper ridge may
provide some forcing for convection, if any mesocale features lead
to a focus for CI. We`ll see an increase in afternoon rain
chances, typical of our summertime pattern.

&&

.AVIATION...
(12Z TAF Issuance)
Issued at 522 AM CDT Wed Jun 24 2026

Some MVFR CIGS have filled in early today, generally in areas
north/northwest of KIAH, with brief IFR CIGS/decks around KCLL.
FLs should improve after sunrise with CIGS scattering/lifting back
to VFR conditions. Winds veer south to southwest during the
daytime, then become light and variable in the evening after
sunset. Another short round of MVFR CIGS may develop again early
Thursday morning, generally in that same areas north/northwest of
the Houston metro area. The diurnal cycle should continue with
those CIGS clearing out later in the morning.

03

&&

.MARINE...
Issued at 105 PM CDT Wed Jun 24 2026

Light to moderate southerly flow will prevail through the
workweek. Seas will generally run 2 to 4 ft through the workweek
increasing to 3 to 5 ft into the weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  94  73  94  76 /   0   0   0   0
Houston (IAH)  94  75  93  77 /   0   0   0   0
Galveston (GLS)  88  81  88  82 /   0   0   0   0

&&

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

$$

DISCUSSION...JTC
AVIATION...03
MARINE...JTC

NWS HGX Office Area Forecast Discussion