375  
FNUS74 KBRO 132052  
FWSBRO  
 
SPOT FORECAST FOR DOS PISTOLAS...TFS  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
352 PM CDT THU AUG 13 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 CDT ON AUGUST 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SOUTHEAST 20 FOOT WINDS OF 15-20 MPH WITH GUSTS OF  
30+ MPH LATE THIS AFTERNOON AND EARLY EVENING SETTLE DOWN TO AROUND  
8-17 MPH WITH GUSTS TO NEAR 30 MPH OVERNIGHT TONIGHT AND THROUGH  
TOMORROW AFTERNOON. THERE IS A LOW (15-20%) CHANCE OF ISOLATED TO  
SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE TOMORROW AFTERNOON,  
WHICH COULD LEAD TO ERRATIC, VARIABLE AND POTENTIALLY GUSTIER WINDS.  
OTHERWISE, RELATIVE HUMIDITY MAXIMIZES AROUND 91 PERCENT TONIGHT AND  
THEN MINIMIZES NEAR 35 PERCENT TOMORROW AFTERNOON.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....AROUND 105.  
MIN HUMIDITY........29 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 10 TO 11 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 16 TO 17 MPH.  
MIXING HEIGHT.......7200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 20 TO 21 MPH.  
 
TIME (CDT) 11A 12P  
SKY (%).........17 25  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............104 103  
RH..............29 31  
20 FT WIND DIR..SE SE  
20 FT WIND SPD..17 18  
20 FT WIND GUST.26 26  
EYE LVL WND DIR.SE SE  
EYE LVL WND SPD.10 11  
EYE LVL WND GST.16 16  
MIX HGT (KFT)...7.2 6.5  
TRANSP WIND DIR.SE SE  
TRANSP WIND SPD.20 21  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
MIN TEMPERATURE.....AROUND 78.  
MAX HUMIDITY........91 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 11 MPH WITH GUSTS TO  
AROUND 17 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 17 MPH WITH GUSTS TO  
AROUND 29 MPH.  
MIXING HEIGHT.......900 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 20 TO 28 MPH SHIFTING TO THE SOUTH 14  
TO 16 MPH AFTER 3 AM.  
 
TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID  
SKY (%).........31 31 37 22 21 19 16 32 41 20 13 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............101 97 93 89 86 85 83 82 81 81 80 79  
RH..............34 41 48 58 68 74 78 82 84 85 87 88  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..18 18 17 17 15 14 12 10 9 9 9 9  
20 FT WIND GUST.28 29 29 28 26 25 24 23 22 21 21 21  
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.11 11 10 10 9 8 7 6 5 5 5 5  
EYE LVL WND GST.17 17 17 17 16 15 14 14 13 13 13 13  
MIX HGT (KFT)...5.9 5.2 4.2 3.2 2.2 2.0 1.9 1.7 1.5 1.3 1.0 0.9  
TRANSP WIND DIR.SE SE SE SE SE SE SE S S S S S  
TRANSP WIND SPD.24 28 28 26 25 23 21 20 20 16 15 14  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT). SLIGHT CHANCE OF SHOWERS  
IN THE LATE MORNING AND AFTERNOON. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 103.  
MIN HUMIDITY........35 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 10 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 16 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
AFTERNOON.  
MIXING HEIGHT.......8400 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 22 MPH SHIFTING TO THE SOUTHEAST  
AROUND 23 MPH LATE IN THE AFTERNOON.  
 
TIME (CDT) 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P  
SKY (%).........20 22 20 12 9 9 14 21 22 30 34 34  
WEATHER COV..... SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
TEMP............79 78 79 83 89 92 96 99 100 102 100 99  
RH..............89 91 91 83 66 56 46 40 37 35 37 39  
20 FT WIND DIR..SE SE SE SE SE S S SE SE SE E SE  
20 FT WIND SPD..8 8 9 12 13 15 16 15 16 16 17 17  
20 FT WIND GUST.20 20 20 21 22 23 23 24 24 25 25 26  
EYE LVL WND DIR.SE SE SE SE SE S S SE SE SE E SE  
EYE LVL WND SPD.5 5 5 7 8 9 10 9 10 10 10 10  
EYE LVL WND GST.12 12 12 13 13 14 14 14 14 15 15 16  
MIX HGT (KFT)...0.7 0.5 1.8 3.0 4.2 5.3 6.4 7.5 7.8 8.1 8.4 7.6  
TRANSP WIND DIR.S S S S S S S S S SE SE SE  
TRANSP WIND SPD.13 13 17 22 22 22 22 21 21 21 21 23  
 

 
FORECASTER...IRISH  
REQUESTED BY...EARHART  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619635.0/BRO  
.DELDT 08/13/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page Main Text Page