534
FXUS64 KBRO 231723
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1123 AM CST TUE DEC 23 2025
..NEW DISCUSSION, AVIATION, MARINE
KEY MESSAGES
UPDATED AT 1115 AM CST TUE DEC 23 2025
* PATCHY TO AREAS OF DENSE FOG POSSIBLE LATE TONIGHT INTO
WEDNESDAY MORNING.
* AFTER TODAY, DRY CONDITIONS WILL CONTINUE THROUGH MUCH OF THE
WEEKEND WITH RAIN CHANCES RETURNING EARLY NEXT WEEK.
* MORE SEASONABLE TEMPERATURES EXPECTED NEXT WEEK IN WAKE OF A
COLD FRONT SUNDAY NIGHT.
DISCUSSION
ISSUED AT 1115 AM CST TUE DEC 23 2025
LOW RAIN CHANCES (20-30%) WILL CONTINUE TODAY DUE TO ONSHORE FLOW
ELEVATED MOISTURE AND SOME WEAK LIFTING. DRY CONDITIONS RETURN LATER
TONIGHT WITH HIGH PRESSURE ALOFT AND SFC HIGH PRESSURE BUILDING OVER
THE GULF INTO EASTERN TEXAS. THIS WILL ALSO HELP TO MAINTAIN WELL
ABOVE NORMAL TEMPERATURES THROUGH SUNDAY WITH HIGHS IN THE MID TO
UPPER 80S AND LOWS IN THE 60S.
A COLD FRONT WILL MOVE THROUGH THE CWA ON SUNDAY NIGHT BRINGING WITH
IT RETURNING CHANCES FOR RAIN SUNDAY EVENING INTO MONDAY (40-60%).
THE FRONT WILL ALSO BRING MORE SEASONABLE TEMPERATURES. MONDAY AND
TUESDAY HIGHS WILL BE IN THE 60S, AND OVERNIGHT LOWS WILL FALL INTO
THE THE 40S AND 50S BY MONDAY NIGHT.
FOG WILL ONCE AGAIN BE POSSIBLE OVERNIGHT TONIGHT INTO CHRISTMAS
EVE, AND AGAIN ON CHRISTMAS MORNING. PATCHY TO AREAS OF DENSE FOG
WILL CAUSE LOW VISIBILITIES, LESS THAN A MILE AT TIMES, SO USE
CAUTION IF DRIVING.
AVIATION
(18Z TAFS)
ISSUED AT 1115 AM CST TUE DEC 23 2025
VFR CONDITIONS WILL PREVAIL THROUGH THIS EVENING AT ALL SITES,
THOUGH MAY STILL SEE SOME BRIEF MVFR OVER THE NEXT HOUR OR SO. LATER
TONIGHT, CEILINGS WILL BEGIN TO FALL WITH MVFR CEILINGS FALLING
IFR/LIFR FOR HRL AND MFE JUST BEFORE SUNRISE. BRO COULD SEE SOME
BRIEF IFR CONDITIONS AS WELL AS PATCHY FOG DEVELOPS ACROSS THE
REGION. VFR WILL RETURN BY MID DAY.
MARINE
ISSUED AT 1115 AM CST TUE DEC 23 2025
GENERALLY FAVORABLE MARINE CONDITIONS WILL PREVAIL THROUGH
THIS WEEKEND. CHANCES OF SHOWERS AND AN ISOLATED THUNDERSTORM
CONTINUE INTO THIS EVENING WHICH COULD LEAD TO LOCALLY ENHANCED
WINDS AND SEAS. WAVE HEIGHTS OF 3 OF 4 FEET WITH 5 TO 8 SECOND
PERIODS ARE EXPECTED THROUGH THE WEEKEND. HAZARDOUS MARINE
CONDITIONS WILL RETURN ON MONDAY IN WAKE A COLD FRONT SUNDAY
NIGHT.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 83 67 83 66 / 20 0 10 0
HARLINGEN 84 64 84 63 / 20 0 10 0
MCALLEN 87 68 86 67 / 30 10 0 0
RIO GRANDE CITY 87 65 86 66 / 20 10 0 0
SOUTH PADRE ISLAND 77 70 76 69 / 10 0 10 0
BAYVIEW/PORT ISABEL 81 65 80 64 / 20 0 10 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...68
LONG TERM....68
AVIATION...68
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page