068  
FNUS74 KHGX 240840  
FWSHGX  
 
SPOT FORECAST FOR BIG SANDY RX...NPS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
340 AM CDT SAT MAY 24 2025  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
TODAY WILL BE FAIRLY SIMILAR TO YESTERDAY WITH MOSTLY CLOUDY SKIES  
IN THE MORNING, CLEARING OUT BY THE AFTERNOON WITH WARM TEMPERATURES.  
SOUTHERLY WINDS CONTINUE TODAY AROUND 6-9MPH WITH OCCASIONAL GUSTS  
TO 16-18MPH. THERE IS A SLIGHT CHANCE OF SOME ISOLATED SHOWERS OR  
STORMS POPPING UP THIS AFTERNOON, AND AGAIN SUNDAY AFTERNOON. THE  
AFTERNOON MINIMUM RH VALUE WILL BE AROUND 50-55 PERCENT WITH MIXING  
HEIGHT RISING TO NEAR 5000FT. RAIN CHANCES ARE EXPECTED TO INCREASE  
SIGNIFICANTLY BEGINNING MONDAY THROUGH MIDWEEK.  
   
TODAY  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC PC PC MCR MCR PC PC PC  
SKY (%).........87 78 71 69 55 36 38 25 22 28 31 27  
WEATHER COV.....PTY SCH SCH SCH SCH  
WEATHER TYPE....FOG RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
CWR.............10 0 0 10 10 10 20 20 20 20 10 10  
TEMP............75 75 77 78 82 86 88 90 91 91 92 90  
RH..............97 97 90 91 79 70 63 58 56 54 52 56  
APARNT TMP (F)..75 75 77 78 89 95 97 98 100 99 100 97  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..6 6 6 6 7 7 7 7 7 7 7 7  
20 FT WIND GUST.16 16 17 17 17 18 18 18 17 18 17 18  
MIX HGT (KFT)...0.6 0.7 1.5 2.2 2.9 3.6 4.1 4.7 4.9 5.3 5.2 4.7  
MIX HGT (KM)....0.2 0.2 0.5 0.7 0.9 1.1 1.2 1.4 1.5 1.6 1.6 1.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.12 13 15 16 18 18 18 18 16 15 14 15  
TRANS WIND DIR..S S S S S S S S S S S S  
TRANS SPD (M/S).5 6 7 7 8 8 8 8 7 7 6 7  
CEILING (KFT)...1.1 1.1 1.2 1.8 2.9 9.2 11 17 25 25 25 14  
VISIBILITY (SM).7 6 8 10 10 10 10 10 10 10 10 10  
   
TONIGHT  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MCR PC MCR MCR MCR MCR PC MC MC MC MC MC  
SKY (%).........20 29 22 10 13 23 50 68 65 77 83 76  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............10 0 0 0 0 0 0 0 0 0 0 0  
TEMP............89 87 83 80 78 77 76 76 76 76 76 76  
RH..............59 63 72 79 85 88 90 94 94 94 94 94  
APARNT TMP (F)..97 94 89 84 78 77 76 76 76 76 76 76  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..7 7 7 7 7 7 7 6 6 6 6 6  
20 FT WIND GUST.18 18 18 18 20 18 17 18 18 17 15 14  
MIX HGT (KFT)...3.9 2.4 1.7 1.1 0.6 0.5 0.6 0.7 0.7 0.7 0.6 0.5  
MIX HGT (KM)....1.2 0.7 0.5 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.16 16 15 16 15 14 14 14 14 13 12 10  
TRANS WIND DIR..S S S S S S S S S S S S  
TRANS SPD (M/S).7 7 7 7 7 6 6 6 6 6 5 4  
CEILING (KFT)...18 13 23 24 25 21 11 0.8 0.6 0.4 0.2 0.4  
VISIBILITY (SM).10 10 10 10 10 10 10 10 9 9 8  
   
SUNDAY  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC MC PC PC PC MCR MCR MCR  
SKY (%).........86 87 76 69 57 60 46 31 28 24 21 22  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
CWR.............0 10 10 10 10 10 10 20 20 20 20 20  
TEMP............76 76 77 79 83 86 88 90 91 92 92 91  
RH..............94 94 94 88 80 70 64 60 56 53 52 53  
APARNT TMP (F)..76 76 77 79 91 95 98 99 100 101 100 99  
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 9 9 9 9  
20 FT WIND GUST.13 14 15 16 17 18 18 18 18 20 20 20  
MIX HGT (KFT)...0.5 0.6 1.4 2.2 2.9 3.5 4.3 4.9 5.5 5.8 5.7 5.3  
MIX HGT (KM)....0.2 0.2 0.4 0.7 0.9 1.1 1.3 1.5 1.7 1.8 1.7 1.6  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.10 10 12 14 15 16 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 4 5 6 7 7 8 8 8 7 7 7  
CEILING (KFT)...0.6 0.8 1.1 1.3 1.6  
VISIBILITY (SM).  
 
 
FORECASTER...FOWLER  
REQUESTED BY...MATTHEW PEARSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2514603.0/HGX  
.DELDT 05/24/25  
.FORMATTERVERSION 2.0.0  
.EMAIL RODNEY_MONK@NPS.GOV,FULTON_JEANSONNE@NPS.GOV,MATTHEW_PEARSON@NPS.GOV  
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