textproduct: Brownsville/Rio Grande Valley

KEY MESSAGES

Updated at 1235 PM CDT Sun Jun 21 2026 - Dry conditions return today with generally rain free conditions forecast to persist this week.

- Minor to Moderate Heat Risk is forecast to continue through the week.

- A moderate risk of rip currents continues through Monday afternoon.

DISCUSSION

Issued at 1235 PM CDT Sun Jun 21 2026

High pressure building over the southwestern US will support hat and dry weather through the week. High temperatures are forecast to range from the mid to upper 90s daily. Lingering cloud cover is forecast to decrease this afternoon, with generally sunny to mostly sunny skies forecast through the remainder of the week. The Heat Risk is forecast to generally remain minor to moderate this week. Lower dewpoints look to generally keep Heat Indices below 111 degrees this week, so Heat Advisories likely wont be needed.

AVIATION

(18Z TAFS) Issued at 1235 PM CDT Sun Jun 21 2026

Predominately VFR conditions are forecast to continue through afternoon with MVFR ceilings developing this evening. VFR conditions are forecast to return Monday morning. Gusty southerly winds are forecast to continue this afternoon, with wind gusts briefly diminishing overnight before returning Monday morning.

MARINE

Issued at 1235 PM CDT Sun Jun 21 2026

Adverse to hazardous conditions are forecast to continue into Monday afternoon, and a Small Craft Advisory is in effect from 1 PM today through 1 PM Monday. Conditions are forecast to improve Monday afternoon with generally favorable conditions returning through the remainder of the week.

PRELIMINARY POINT TEMPS/POPS

BROWNSVILLE 83 94 82 94 / 0 0 0 0 HARLINGEN 79 95 79 96 / 0 0 0 0 MCALLEN 81 96 80 97 / 0 0 0 0 RIO GRANDE CITY 79 97 78 97 / 10 0 0 0 SOUTH PADRE ISLAND 83 89 82 89 / 0 0 0 0 BAYVIEW/PORT ISABEL 82 93 81 92 / 0 0 0 0

BRO WATCHES/WARNINGS/ADVISORIES

TX...None. GM...Small Craft Advisory until 1 PM CDT Monday for GMZ130-132-135- 150-155-170-175.