694
FXUS64 KBRO 121729
AFDBRO

Area Forecast Discussion
National Weather Service Brownsville TX
1229 PM CDT Sat Jul 12 2025

...New DISCUSSION, AVIATION, MARINE...

.DISCUSSION...
Issued at 1224 PM CDT Sat Jul 12 2025

High pressure over the Gulf will begin to expand westward as we head
through the weekend into early next week. Chances for rainfall remain
under 10% today and Sunday. Monday a surface trough will move
into central Texas bringing a slightly better chance of rainfall
(around 15%) in the afternoon across portions of the northern
Ranchlands. Otherwise, high pressure over the region will maintain
dry conditions outside of an isolated seabreeze shower or
thunderstorm, though chances remain under 10%.

Breezy conditions will continue to with gusts up to 30 mph today and
between 20 and 25 mph for much the Valley and along the coast
through next week.

Temperatures will remain warm through the period with highs in the
mid to upper 90s and heat indices between 100-110 degrees. Heat Risk
will remain Moderate across much of Deep South Texas and the Rio
Grande Valley into next week. If spending a prolonged period of time
outdoors, remember to practice heat safety to prevent heat-related
illnesses.

A moderate risk of rip currents will prevail along area beaches
through Sunday. Be careful if venturing into the water and remember
rip currents are highest near piers and jetties.

&&

.AVIATION...
(18Z TAFS)
Issued at 1224 PM CDT Sat Jul 12 2025

VFR conditions will prevail at all aerodromes through this evening
with wind gusts to around 30 kts. Winds will become lighter this
evening. Low clouds move in with MVFR conditions expected after
midnight through Sunday morning at all sites.

&&

.MARINE...
Issued at 1224 PM CDT Sat Jul 12 2025

An enhanced pressure gradient across the lower Texas coast will
maintain Small Craft Caution on the Laguna Madre and nearshore Gulf
waters through the weekend with winds 15-20 kts. By Monday, more
favorable conditions will return with gentle to moderate
southeasterly winds and slight moderate seas though caution
conditions are possible each afternoon, mainly on the Laguna
Madre.

&&

.PRELIMINARY POINT TEMPS/POPS...
BROWNSVILLE             80  93  79  93 /   0   0   0  10
HARLINGEN               78  96  77  95 /   0  10   0  10
MCALLEN                 80  97  80  97 /   0  10   0  10
RIO GRANDE CITY         78  98  77  97 /  10   0   0   0
SOUTH PADRE ISLAND      80  87  80  87 /   0   0   0  10
BAYVIEW/PORT ISABEL     79  92  79  92 /   0   0   0  10

&&

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

$$

DISCUSSION/MARINE/AVIATION...68