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National Weather Service Forecast Discussion

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134
FXUS64 KHGX 152047
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
347 PM CDT Wed Apr 15 2026

...New DISCUSSION, MARINE...

.KEY MESSAGES...

- Warm and humid conditions continue through the end of the work
  week with heat index values in the 90s Thursday/Friday.

- Numerous showers and thunderstorms are expected to develop along
  a cold front Saturday afternoon and evening. Heavy rainfall will
  be possible which could lead to instances of flooding of urban,
  low-lying and poor drainage areas.

- Seasonal conditions expected in the wake of the front going into
  early next week.

&&

.DISCUSSION...
Issued at 346 PM CDT Wed Apr 15 2026

The southwesterly flow pattern aloft will continue across
Southeast Texas through the remainder of the week while a steady
southeasterly to southerly surface flow persists between ridging
over the Gulf and a trough over the Plains. A weak shortwave
impulse embedded within the southwesterly flow aloft will aid in
the development of isolated to scattered rain showers and
thunderstorms to our west and northwest this afternoon. A few of
these showers/storms could clip our far northwestern/northern
zones (including portions of the Brazos Valley and Piney Woods)
late this afternoon into this evening, where we will maintain low
POPs between 10-30%. The rest of the forecast area should remain
rain-free for the most part, though a few sprinkles or a very
isolated shower cannot be entirely ruled out through this evening.
Very little in the way of lift is indicated for Thursday and
Friday, so rain chances remain below mentionable levels (

NWS HGX Office Area Forecast Discussion