862
FXUS64 KBRO 210538 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1238 AM CDT SAT MAR 21 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 1234 AM CDT SAT MAR 21 2026
KEY MESSAGES:
* UNSEASONABLY WARM AND RAIN-FREE WEATHER CONDITIONS TO PERSIST
THROUGH NEXT WEEKEND.
* DAY-TO-DAY OR NEAR DAY-TO-DAY ELEVATED WILDFIRE WEATHER THREAT
WILL PERSIST THROUGH NEXT WEEKEND.
* A FIRE DANGER STATEMENT (RFD) IS IN EFFECT FOR STARR, JIM HOGG,
BROOKS, HIDALGO, INLAND KENEDY, INLAND WILLACY, AND INLAND CAMERON
COUNTIES FROM 1-7 PM CDT SATURDAY (SEE FIRE WEATHER SECTION FOR
MORE DETAILS).
DISCUSSION
ISSUED AT 1010 PM CDT FRI MAR 20 2026
UNSEASONABLY WARM AND RAIN-FREE CONDITIONS WILL PERSIST THROUGH NEXT
WEEK. DRIVING OUR WEATHER PATTERN IS A BEHEMOTH 588-594 DAM SONORAN
HEAT DOME, WHICH CURRENTLY IS RESULTING IN A RECORD-BREAKING, EARLY
SEASON HEAT WAVE OVER THE SOUTHWESTERN U.S. ON THE EASTERN FLANK OF
THIS HEAT RIDGE, NORTHWESTERLY WINDS ALOFT WILL CONTINUE TO STIFLE
ANY RAIN CHANCES. THE AFOREMENTIONED SOUTHWEST U.S. HEAT DOME IS
EXPECTED TO WEAKEN SLIGHTLY OVER THE WEEKEND INTO EARLY NEXT WEEK
BEFORE IT BEGINS TO PROPAGATE EASTWARD MID TO LATE NEXT WEEK. HIGH
TEMPERATURES WILL RANGE BETWEEN THE UPPER 80S TO THE MID 90S EACH
DAY. OVERNIGHT LOWS WILL MAINLY BE IN THE 60S THROUGH NEXT
WEEKEND.
FIRE WEATHER CONCERNS WILL REMAIN ON THE TABLE THROUGH NEXT WEEK.
THE COMBINATION OF LOW RELATIVE HUMIDITY (RH) VALUES, AN ONGOING
DROUGHT, AND AT TIMES BREEZY CONDITIONS WILL RESULT IN DAY-TO-DAY OR
NEAR DAY-TO-DAY ELEVATED FIRE RISKS.
AVIATION
(06Z TAFS)
ISSUED AT 1234 AM CDT SAT MAR 21 2026
VFR WILL PREVAIL AT THE AERODROMES THROUGH THE NEXT 24 HOURS.
BREEZY WINDS ARE EXPECTED DURING THE DAYLIGHT HOURS OF SATURDAY,
WITH LIGHT TO MODERATE WINDS OUTSIDE OF THIS TIME FRAME.
MARINE
ISSUED AT 1010 PM CDT FRI MAR 20 2026
FAVORABLE MARINE CONDITIONS WILL PREVAIL THROUGH NEXT WEEK WITH LOW
TO MODERATE WINDS AND SEAS.
FIRE WEATHER
ISSUED AT 1010 PM CDT FRI MAR 20 2026
A FIRE DANGER STATEMENT (RFD) FOR AN ELEVATED FIRE WEATHER THREAT
HAS BEEN ISSUED FOR STARR, JIM HOGG, BROOKS, HIDALGO, INLAND KENEDY,
INLAND WILLACY, AND INLAND CAMERON COUNTIES FROM 1-7 PM CDT
SATURDAY. BREEZY SOUTH-SOUTHEAST 20-FT WINDS 15-20 MPH GUSTING AS
HIGH AS 35 MPH ARE EXPECTED TO TAKE PLACE ON SATURDAY. MEANWHILE,
MINIMUM RELATIVE HUMIDITY (RH) VALUES ARE EXPECTED TO RANGE
BETWEEN 15-40%. THE COMBINATION OF BREEZY SOUTH-SOUTHEAST WINDS,
LOW RELATIVE HUMIDITY (RH) VALUES, AND AN ONGOING DROUGHT RANGING
BETWEEN D2 (SEVERE DROUGHT) TO D4 (EXCEPTIONAL DROUGHT) WILL
RESULT IN AN ELEVATED RISK FOR WILDFIRES ON SATURDAY.
THE TEXAS A&M FOREST SERVICE HAS OUTLOOKED THE NORTHERN RANCHLANDS
UNDER A "VERY HIGH FIRE RISK" AND THE REST OF DEEP SOUTH TEXAS UNDER
A "HIGH RISK" FOR WILDFIRE DANGER ON SATURDAY. ADDITIONALLY, THE
ENERGY RELEASE COMPONENT (ERC) WILL BE ELEVATED RANGING BETWEEN 75-
80%. ADDITIONAL FIRE DANGER STATEMENTS MANY BE NEEDED IN THE DAYS
AHEAD! WE CONTINUE TO URGE EVERYONE TO PRACTICE FIRE SAFETY.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 86 65 85 65 / 0 0 0 0
HARLINGEN 90 61 90 61 / 0 0 0 0
MCALLEN 94 65 94 66 / 0 0 0 0
RIO GRANDE CITY 95 61 94 63 / 0 0 0 0
SOUTH PADRE ISLAND 77 68 77 69 / 0 0 0 0
BAYVIEW/PORT ISABEL 86 64 84 64 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
NONE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page