574  
FNUS74 KBRO 301826  
FWSBRO  
 
SPOT FORECAST FOR LA JOYA...US FWS  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
126 PM CDT MON MAR 30 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1300 CDT ON MARCH 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SUNNY SKIES AND GUSTY SOUTHEASTERLY WINDS ARE  
FORECAST TO CONTINUE THIS AFTERNOON, WITH MINIMUM RELATIVE  
HUMIDITY VALUES AROUND 35%. WIND SPEEDS WILL LIKELY REMAIN  
ELEVATED THIS EVENING, DECREASING AFTER MIDNIGHT. RELATIVE  
HUMIDITY VALUES WILL INCREASE TO AROUND 90% OVERNIGHT. GUSTY  
SOUTHEASTERLY WINDS WILL LIKELY INCREASE TUESDAY MORNING WITH  
RELATIVE HUMIDITY VALUES FALLING TO AROUND 40% TUESDAY AFTERNOON.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........38 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 17 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 15 TO 16 MPH WITH GUSTS TO  
AROUND 28 MPH.  
MIXING HEIGHT.......6600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 21 TO 22 MPH.  
 
TIME (CDT) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 2 1 2 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............88 90 90 91 89  
RH..............42 39 38 38 38  
20 FT WIND DIR..SE SE SE SE SE  
20 FT WIND SPD..16 16 16 16 17  
20 FT WIND GUST.25 26 28 26 26  
EYE LVL WND DIR.SE SE SE SE SE  
EYE LVL WND SPD.10 10 10 10 10  
EYE LVL WND GST.15 16 17 16 16  
MIX HGT (KFT)...6.0 6.5 6.6 6.4 5.7  
TRANSP WIND DIR.SE SE SE SE SE  
TRANSP WIND SPD.22 22 21 21 22  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....AROUND 68.  
MAX HUMIDITY........91 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 10 MPH WITH GUSTS TO  
AROUND 17 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 9 TO 16 MPH WITH GUSTS TO  
AROUND 28 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 17 TO 24 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........1 4 3 8 10 23 16 11 30 24 29 37  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............88 85 79 76 74 73 72 71 70 70 69 69  
RH..............41 45 58 67 72 76 80 84 86 87 90 91  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..17 17 16 15 14 14 13 10 10 10 10 10  
20 FT WIND GUST.26 26 28 28 25 25 24 22 22 22 22 21  
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.10 10 10 9 8 8 8 6 6 6 6 6  
EYE LVL WND GST.16 16 17 17 15 15 14 13 13 13 13 13  
MIX HGT (KFT)...4.7 3.6 2.7 1.8 1.2 0.8 0.7 0.6 0.5 0.5 0.6 0.8  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.24 24 24 24 24 23 23 21 20 18 17 18  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........42 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 10 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 15 MPH.  
MIXING HEIGHT.......6400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 16 TO 24 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 32 33 51 39 31 30 31 33 37 21 17  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............69 69 69 73 78 82 85 89 91 92 93 91  
RH..............90 90 88 82 71 62 55 48 46 43 42 44  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..10 9 10 12 14 14 15 15 15 15 15 16  
20 FT WIND GUST.21 20 21 22 23 24 24 24 25 25 25 25  
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.6 5 6 7 8 8 9 9 9 9 9 10  
EYE LVL WND GST.13 12 13 13 14 14 14 14 15 15 15 15  
MIX HGT (KFT)...1.1 1.5 1.9 2.3 2.9 3.7 4.6 5.4 6.0 6.4 6.4 6.0  
TRANSP WIND DIR.SE SE SE SE SE SE S SE S S SE SE  
TRANSP WIND SPD.20 18 20 23 24 23 22 21 18 18 16 18  
 

 
FORECASTER...ELLZEY  
REQUESTED BY...ISMAEL LERMA  
TYPE OF REQUEST...WILDFIRE  
.TAG 2608581.0/BRO  
.DELDT 03/30/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ELEAZAR_FERNANDEZ@FWS.GOV,DONALD_DEVRIENDT@FWS.GOV,ISMAEL_LERMA@FWS.GOV  
 
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