448
FPUS64 KBRO 181717
SFTBRO
TXZ248>255-351-353>355-451-454-455-182200-
TABULAR STATE FORECAST FOR DEEP SOUTH TEXAS
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1217 PM CDT MON MAY 18 2026
ROWS INCLUDE...
DAILY PREDOMINANT DAYTIME WEATHER 6AM-6PM
FORECAST TEMPERATURES...EARLY MORNING LOW/DAYTIME HIGH
PROBABILITY OF PRECIPITATION NIGHTTIME 6PM-6AM/DAYTIME 6AM-6PM
- INDICATES TEMPERATURES BELOW ZERO
MM INDICATES MISSING DATA
FCST FCST FCST FCST FCST FCST FCST
TODAY TUE WED THU FRI SAT SUN
MAY 18 MAY 19 MAY 20 MAY 21 MAY 22 MAY 23 MAY 24
..LOWER TEXAS COAST
PORT MANSFIELD
MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS MOCLDY
/86 81/84 80/83 79/82 77/83 76/83 76/82
/20 10/00 40/10 10/40 60/60 50/60 50/40
PORT ISABEL
MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS MOCLDY
/87 81/86 81/85 80/84 79/84 79/85 79/84
/20 10/10 20/10 10/30 50/50 40/50 50/40
SOUTH PADRE ISLAND
MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS MOCLDY
/85 81/84 81/83 80/83 80/82 79/82 79/82
/20 10/10 20/10 10/20 40/50 50/50 50/40
..RIO GRANDE VALLEY
BROWNSVILLE
MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS MOCLDY
/95 81/94 81/92 79/90 78/90 78/90 77/89
/20 10/10 20/10 10/30 50/50 40/50 40/40
HARLINGEN
MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS TSTRMS
/96 79/95 79/93 77/91 76/90 75/89 75/89
/20 10/00 40/10 10/40 60/60 40/60 50/50
RAYMONDVILLE
MOCLDY MOCLDY MOCLDY SHWRS TSTRMS TSTRMS TSTRMS
/96 79/96 78/92 76/90 74/89 73/88 73/88
/20 10/00 40/20 10/50 70/60 50/60 40/50
WESLACO
MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS MOCLDY
/96 80/96 79/93 77/90 75/89 75/88 74/88
/20 10/10 40/10 10/40 70/60 50/60 50/40
MCALLEN
MOCLDY MOCLDY MOCLDY SHWRS TSTRMS TSTRMS MOCLDY
/97 81/97 79/94 78/92 75/90 75/89 75/89
/20 20/10 30/20 20/50 70/50 50/60 50/40
..OTHER DEEP SOUTH TEXAS CITIES
RIO GRANDE CITY
MOCLDY MOCLDY PTCLDY MOCLDY MOCLDY TSTRMS MOCLDY
/99 79/98 78/95 76/92 73/91 73/90 73/90
/20 20/10 40/30 30/40 70/30 50/50 60/40
FALFURRIAS
MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS TSTRMS TSTRMS
/97 79/95 77/93 75/89 73/88 73/87 73/87
/20 10/10 50/40 20/60 80/60 50/70 50/50
HEBBRONVILLE
MOCLDY MOCLDY SHWRS TSTRMS TSTRMS TSTRMS MOCLDY
/95 79/94 77/91 74/87 72/87 72/85 72/85
/20 20/10 40/50 30/60 80/50 50/60 50/40
ZAPATA
VRYHOT MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS MOCLDY
/100 80/99 78/95 76/92 73/90 74/89 73/89
/20 20/10 40/30 40/40 80/20 50/50 50/30
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page