972  
FPUS64 KBRO 181827  
SFTBRO  
TXZ248>255-351-353>355-451-454-455-182200-  
 
TABULAR STATE FORECAST FOR DEEP SOUTH TEXAS  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
127 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  
WINDY MOCLDY MOCLDY TSTRMS MOCLDY TSTRMS TSTRMS  
/86 81/85 81/83 80/82 78/83 77/83 77/83  
/10 10/00 30/00 00/50 50/40 50/60 60/60  
 
PORT ISABEL  
MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS  
/87 81/86 81/86 81/85 80/86 80/85 79/85  
/20 10/10 20/00 00/20 50/40 50/40 60/50  
 
SOUTH PADRE ISLAND  
MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS  
/85 81/84 81/83 81/83 81/84 80/83 79/82  
/20 10/10 20/00 00/20 50/40 50/50 60/50  
 
   
..RIO GRANDE VALLEY
 
 
BROWNSVILLE  
MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY TSTRMS  
/95 81/94 81/92 81/91 80/92 79/91 79/89  
/20 10/10 20/00 00/30 50/40 50/40 60/50  
 
HARLINGEN  
WINDY MOCLDY MOCLDY TSTRMS MOCLDY TSTRMS TSTRMS  
/96 79/95 79/93 77/91 76/91 77/90 76/89  
/20 10/00 20/00 00/50 60/40 50/50 60/60  
 
RAYMONDVILLE  
MOCLDY MOCLDY MOCLDY TSTRMS MOCLDY TSTRMS TSTRMS  
/96 79/96 78/93 77/90 75/90 75/89 74/88  
/20 10/00 30/10 10/60 60/40 60/60 60/70  
 
WESLACO  
MOCLDY MOCLDY MOCLDY TSTRMS MOCLDY TSTRMS TSTRMS  
/96 80/96 79/93 78/91 76/91 76/89 75/88  
/20 10/10 20/10 10/50 60/30 60/50 60/60  
 
MCALLEN  
MOCLDY MOCLDY MOCLDY TSTRMS MOCLDY TSTRMS TSTRMS  
/97 81/97 80/94 78/92 77/92 76/90 75/89  
/20 20/10 30/10 10/50 70/30 60/50 60/60  
 
   
..OTHER DEEP SOUTH TEXAS CITIES
 
 
RIO GRANDE CITY  
MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY MOCLDY  
/99 79/98 78/94 76/92 74/92 75/91 74/90  
/20 20/10 40/30 40/40 80/20 60/40 70/40  
 
FALFURRIAS  
MOCLDY MOCLDY MOCLDY TSTRMS TSTRMS TSTRMS TSTRMS  
/97 80/95 78/93 76/89 74/90 74/87 74/87  
/20 10/10 50/30 20/70 70/50 50/70 60/60  
 
HEBBRONVILLE  
MOCLDY MOCLDY TSTRMS TSTRMS MOCLDY TSTRMS TSTRMS  
/95 79/94 77/91 74/87 73/88 73/86 73/85  
/20 20/10 50/50 40/60 80/30 50/60 60/50  
 
ZAPATA  
VRYHOT MOCLDY MOCLDY TSTRMS MOCLDY MOCLDY MOCLDY  
/100 80/99 79/95 75/92 74/92 74/90 74/89  
/20 20/10 50/30 60/60 80/20 50/40 60/30  
 

 
 
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