814
FXUS64 KBRO 180544 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1244 AM CDT SAT JUL 18 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 1239 AM CDT SAT JUL 18 2026
- DRY CONDITIONS AND NEAR RECORD HEAT ARE EXPECTED OVER THE NEXT
7 DAYS ALONG WITH HEAT INDICES OF AROUND 105-110 F, OR WARMER,
AND MODERATE TO MAJOR HEAT RISKS (LEVELS 2/4 AND 3/4).
- A SPS IS IN EFFECT FOR THE INLAND PORTIONS OF CAMERON, WILLACY
AND KENEDY COUNTIES FROM 12 PM TO 7 PM SATURDAY AS HEAT
INDICES PEAK AROUND 108-111 F.
- ADDITIONAL SPSS AND A POTENTIAL HEAT ADVISORY, OR TWO, ARE
POSSIBLE EACH DAY.
- A MODERATE RISK OF LIFE-THREATENING RIP CURRENTS CONTINUES
THROUGH SATURDAY AFTERNOON.
DISCUSSION
ISSUED AT 1054 PM CDT FRI JUL 17 2026
A HIGH PRESSURE ALOFT OVER THE NORTHWESTERN GULF REGRESSES
NORTHWESTWARD TO THE PLAINS AND ROCKIES BY THE EARLY PART OF NEXT
WEEK, BRINGING SCORCHING HEAT AND DRY CONDITIONS TO DEEP SOUTH TEXAS
OVER THE NEXT 7 DAYS. ALREADY, A SPS IS IN EFFECT FOR THE INLAND
PORTIONS OF CAMERON, WILLACY AND KENEDY COUNTIES FROM 12 PM TO 7 PM
SATURDAY AS AFTERNOON HEAT INDICES RANGE FROM AROUND 108 TO 111 F,
OR A DEGREE OR TWO WARMER, ALONG WITH MODERATE TO MAJOR HEAT RISKS.
DESPITE DRIER THAN AVERAGE MOISTURE CONTENT BY SUNDAY, PERSISTENT
SOUTHEASTERLY ONSHORE FLOW, GUSTS DECREASING FROM 25-30 MPH TO 20-25
MPH BY MONDAY, IS LIKELY TO RESULT IN MAINLY MODERATE HEAT RISK
ACROSS THE NORTHERN RANCHLANDS AND RIO GRANDE PLAINS WHILE POPULATED
REGIONS OF THE RGV CONTINUE TO EXPERIENCE MAJOR HEAT RISKS, WITH
HEAT INDICES OF AROUND 105-110 F OR WARMER. ADDITIONAL SPSS' FOR
HEAT ARE POSSIBLE THROUGHOUT THE NEXT 7 DAYS AND A HEAT ADVISORY, OR
TWO, IS NOT FULLY OUT OF THE QUESTION AT THIS TIME.
AS THE HIGH PRESSURE ALOFT OVER THE ROCKIES AND PLAINS BUILDS TO
AROUND 494-497 DAM, WIDESPREAD LOW/MID 100S (HOTTEST FURTHEST WEST)
ARE ANTICIPATED INLAND BY SUNDAY, EVEN NEARING COASTAL AREAS,
ESPECIALLY TOWARDS THE END OF NEXT WEEK AS THE HIGH COULD SAG
FURTHER SOUTH. ALTHOUGH TEMPERATURES MAY ONLY RANGE TO AROUND 5
DEGREES F ABOVE AVERAGE, HIGHS COULD TIE OR BREAK RECORDS.
A MODERATE RISK OF RIP CURRENTS CONTINUES THROUGH SATURDAY
AFTERNOON.
AVIATION
(06Z TAFS)
ISSUED AT 1239 AM CDT SAT JUL 18 2026
VFR WILL OCCUR AT THE AERODROMES THROUGH THE NEXT 24 HOURS, WITH
CLEAR TO PARTLY CLOUDY SKIES AND A DAYTIME BREEZY ONSHORE FLOW.
MARINE
ISSUED AT 1054 PM CDT FRI JUL 17 2026
MODERATE TO FRESH SOUTHEASTERLY WINDS, MODERATE (3-5 FT) SEAS AND
PERIODS OF SMALL CRAFT EXERCISE CAUTION CONDITIONS ARE LIKELY TO
BECOME GENTLE TO MODERATE SOUTHEASTERLY WINDS WITH SLIGHT TO
MODERATE (1-3 FT) SEAS BY THE MIDDLE OF NEXT WEEK. DRY CONDITIONS
ARE EXPECTED TO CONTINUE.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 95 80 96 78 / 0 0 0 0
HARLINGEN 98 77 99 75 / 0 0 0 0
MCALLEN 101 79 103 78 / 0 0 0 0
RIO GRANDE CITY 102 78 104 75 / 0 0 0 0
SOUTH PADRE ISLAND 88 81 88 80 / 0 0 0 0
BAYVIEW/PORT ISABEL 94 79 95 77 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
NONE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page