204  
FNUS74 KHGX 250028  
FWSHGX  
 
SPOT FORECAST FOR BIG SANDY RX...NPS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
728 PM CDT SAT MAY 24 2025  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
SOUTHEAST FLOW WILL KEEP CONDITIONS HUMID INTO EARLY NEXT WEEK.  
AFTERNOON MINIMUM RH VALUES WILL BE IN THE IN THE 40 TO 50 PERCENT  
RANGE THROUGH MONDAY, INCREASING ABOVE 50 TUESDAY AND POTENTIALLY  
OVER 70 BY WEDNESDAY. ISOLATED TO SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS ARE POSSIBLE THROUGH  
THE WEEKEND, WITH INCREASING RAIN CHANCES FOR THE MIDDLE OF NEXT  
WEEK.  
 
   
SUNDAY  
 
TIME (CDT) 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P  
SKY COVER.......MC MC MC MC MC MC PC PC PC PC MCR MCR  
SKY (%).........86 86 75 70 64 54 43 36 31 28 24 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 10 10 10 10 10 10  
TEMP............75 75 77 79 82 85 88 90 91 92 93 91  
RH..............97 97 90 88 79 72 63 58 56 54 51 54  
APARNT TMP (F)..75 75 77 79 89 94 97 98 100 101 101 99  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..5 5 6 6 6 6 7 7 8 8 8 8  
20 FT WIND GUST.15 14 15 16 17 18 20 21 21 21 21 21  
MIX HGT (KFT)...0.6 0.6 1.4 2.2 3.0 3.6 4.4 5.0 5.3 5.4 5.6 5.0  
MIX HGT (KM)....0.2 0.2 0.4 0.7 0.9 1.1 1.3 1.5 1.6 1.6 1.7 1.5  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.10 12 14 16 17 17 17 17 17 16 16 16  
TRANS WIND DIR..S S S S S S S S S S S S  
TRANS SPD (M/S).4 5 6 7 8 8 8 8 8 7 7 7  
CEILING (KFT)...1.1 1.0 1.3 1.6 2.5 4.4 6.6 7.3 8.9 15 19 18  
VISIBILITY (SM).7 7 7 10 10 10 10 10 10 10 10 10  
   
SUNDAY NIGHT  
 
TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID  
SKY COVER.......MCR MCR MCR PC PC MC MC MC MC MC MC MC  
SKY (%).........22 19 19 33 49 58 65 68 71 74 76 78  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
CWR.............10 10 10 10 10 10 10 20 20 20 20 20  
TEMP............89 88 83 80 79 78 77 77 77 77 77 76  
RH..............57 59 70 79 85 88 90 94 94 91 90 93  
APARNT TMP (F)..96 95 88 85 79 78 77 77 77 77 77 76  
20 FT WIND DIR..S S S S S S SE SE SE S S S  
20 FT WIND SPD..8 7 7 6 6 6 6 6 6 6 6 6  
20 FT WIND GUST.20 20 18 18 18 18 17 16 16 16 16 16  
MIX HGT (KFT)...3.9 2.8 1.9 1.2 0.8 0.8 0.8 0.9 1.0 1.0 1.1 1.0  
MIX HGT (KM)....1.2 0.9 0.6 0.4 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.16 16 16 15 14 14 14 14 14 14 14 13  
TRANS WIND DIR..S S S S S S S S S S S S  
TRANS SPD (M/S).7 7 7 7 6 6 6 6 6 6 6 6  
CEILING (KFT)...21 9.6 6.6 3.4 1.3 3.4 2.2 2.1 1.3 1.2 1.3 1.4  
VISIBILITY (SM).10 10 10 10 10 10 10 10 9 8 8 8  
   
MEMORIAL DAY  
 
TIME (CDT) 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P  
SKY COVER.......MC MC MC MC MC MC PC PC PC PC PC PC  
SKY (%).........79 76 68 60 52 51 49 48 42 35 29 31  
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
CWR.............20 20 20 20 20 20 20 30 30 30 30 30  
TEMP............76 76 77 79 82 85 88 90 91 92 91 90  
RH..............95 94 93 89 79 70 62 54 52 50 50 54  
APARNT TMP (F)..76 76 77 84 89 92 95 96 98 97 97 96  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..6 6 6 6 6 7 7 8 8 8 8 7  
20 FT WIND GUST.15 15 16 17 18 20 21 22 22 22 22 21  
MIX HGT (KFT)...1.0 0.9 1.6 2.2 2.8 3.6 4.3 4.9 5.2 5.3 5.1 4.7  
MIX HGT (KM)....0.3 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.6 1.6 1.6 1.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.13 12 14 16 17 18 20 21 22 24 24 23  
TRANS WIND DIR..S S S S S S S S S S S S  
TRANS SPD (M/S).6 5 6 7 8 8 9 9 10 11 11 10  
CEILING (KFT)...1.4  
VISIBILITY (SM).9  
 
 
FORECASTER...SELF  
REQUESTED BY...MATTHEW PEARSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514628.0/HGX  
.DELDT 05/25/25  
.FORMATTERVERSION 2.0.0  
.EMAIL RODNEY_MONK@NPS.GOV,MATTHEW_PEARSON@NPS.GOV,CONOR_MCINNERNEY@NPS.GOV  
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