textproduct: Brownsville/Rio Grande Valley
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
Updated at 1020 PM CDT Wed Mar 25 2026
Key Messages:
* Above normal temperatures persist into next week.
* A front arrives early Saturday with a medium (25 to 50 percent) chance of rain and briefly closer to normal temperatures.
* An elevated wildfire threat continues across Deep South Texas.
DISCUSSION
Issued at 1020 PM CDT Wed Mar 25 2026
High pressure holds into late Friday, with well-above normal temperatures and no chance of rain. A frontal boundary runs south Friday night into Saturday, briefly dropping temperatures closer to normal and bringing a low to now medium (25-50 percent) chance of rain, mainly Saturday morning, dipping south towards the Rio Grande into Saturday afternoon. Current QPF still sits around 0.15 of an inch or less, mainly across the RGV.
Other than Saturdays brief break, the remainder of the forecast looks the same Thursday, Friday, and then Sunday into mid next week. Breezy afternoons and RH values below 30 percent along and west of US281/I69C. Fire Danger Statements may be issued, but no Red Flag conditions are expected at this time, with the lowest moisture being generally west of the stronger winds until the evening hours, when humidity is recovering.
The entire region remains primed for wildfires and burn bans are in effect across all of Deep South Texas, except Kenedy County. CPC precipitation outlooks in both 6 to 10 and 8 to 14 days lean toward above normal rainfall at 40-50 percent through April 8.
AVIATION
(00Z TAFS) Issued at 616 PM CDT Wed Mar 25 2026
VFR conditions are expected to generally prevail through the TAF period. Brief or isolated MVFR ceilings are possible late tonight into early Thursday.
MARINE
Issued at 1020 PM CDT Wed Mar 25 2026
Southeasterly winds persist through late Friday and again next week, with generally favorable marine conditions. Afternoon breezes across the bay may occasionally kick up a moderate chop or brief Small Craft Caution gusts. Northeasterly winds arrive with a frontal boundary late Friday night into Saturday afternoon, before dropping back to easterly or southeasterly Sunday into Monday.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 68 85 67 87 / 0 0 0 0 HARLINGEN 64 89 64 90 / 0 0 0 0 MCALLEN 69 92 68 94 / 0 0 0 0 RIO GRANDE CITY 66 94 65 96 / 0 0 0 0 SOUTH PADRE ISLAND 70 77 70 79 / 0 0 0 0 BAYVIEW/PORT ISABEL 66 84 66 86 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...None. GM...None.
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