513  
FNUS74 KEWX 250216  
FWSEWX  
 
SPOT FORECAST FOR RANGLELAND...SHVFD  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
916 PM CDT MON AUG 24 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 CDT ON AUGUST 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT WEDNESDAY
 
 
   
DISCUSSION
 
 
SOME BREEZY WIND ASSOCIATED WITH THE SEABREEZE HAS MOVED OVER THE  
FIRE LOCATION, THOUGH ANY GUSTS TO AROUND 20 MPH WILL END IN THE  
NEXT HOUR. SOUTHERLY WIND UNDER 10 MPH IS THEN FORECAST THROUGH  
TUESDAY AFTERNOON. HOT AND DRY CONDITIONS WILL BRING HUMIDITY TO  
AROUND 25 PERCENT TUESDAY AFTERNOON WITH VERY HOT TEMPERATURES  
EXCEEDING 100 DEGREES. ANOTHER PUSH OF THE SEABREEZE WILL ALLOW  
FOR SOME BRIEF GUSTY WIND AGAIN TUESDAY NIGHT BEFORE WIND EASES  
EARLY WEDNESDAY MORNING. HOT AND DRY CONDITIONS PERSIST INTO  
WEDNESDAY.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........90 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 8 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 6 TO 12 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH.  
SMOKE DISPERSAL.....POOR (4300 KNOT-FT).  
 
TIME (CDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........0 1 3 12 17 23 28 34  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0  
TEMP............87 84 82 80 79 78 77 76  
RH..............57 65 72 79 82 85 88 90  
20 FT WIND DIR..S S S S S S S SW  
20 FT WIND SPD..14 13 12 9 8 8 8 7  
20 FT WIND GUST.21 20 18 16 15 14 14 12  
EYE LVL WND DIR.S S S S S S S SW  
EYE LVL WND SPD.8 8 7 5 5 5 5 4  
EYE LVL WND GST.13 12 11 10 9 8 8 7  
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.5  
TRANSP WIND DIR.S S S S S S S S  
TRANSP WIND SPD.18 17 16 14 14 13 12 10  
VRATE KT-FT/1K..8 8 8 6 6 5 6 4  
VENTRATE CAT....PR PR PR PR PR PR PR PR  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 103.  
MIN HUMIDITY........26 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH IN THE MORNING, THEN  
SHIFTING TO THE SOUTHEAST AROUND 5 MPH EARLY IN  
THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 MPH BECOMING SOUTHEAST  
6 TO 7 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......6800 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 12 MPH.  
SMOKE DISPERSAL.....POOR (3700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (60900 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........40 46 32 19 5 4 3 2 5 7 10 7  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............75 75 76 79 84 88 93 96 99 101 102 103  
RH..............90 90 87 79 67 55 46 39 33 30 28 26  
20 FT WIND DIR..SW SW SW SW SW SW SW S S SE SE SE  
20 FT WIND SPD..6 6 5 6 6 6 6 5 5 5 7 8  
20 FT WIND GUST.10 9 9 9 10 10 9 9 9 9 12 12  
EYE LVL WND DIR.SW SW SW SW SW SW SW S S SE SE SE  
EYE LVL WND SPD.4 4 3 4 4 4 4 3 3 3 4 5  
EYE LVL WND GST.6 5 5 5 6 6 5 5 5 5 7 7  
MIX HGT (KFT)...0.5 0.5 0.9 1.6 2.0 2.6 3.9 4.5 5.1 6.2 6.8 6.7  
TRANSP WIND DIR.S S S SW SW SW S S S SE SE SE  
TRANSP WIND SPD.10 9 9 12 12 9 8 7 8 9 9 10  
VRATE KT-FT/1K..5 4 7 15 20 23 27 27 38 50 54 61  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR FR FR GD  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........90 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 8 MPH SHIFTING TO THE  
SOUTHWEST AROUND 4 MPH EARLY IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 7 TO 12 MPH SHIFTING TO THE  
SOUTHWEST AROUND 6 MPH EARLY IN THE MORNING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH SHIFTING TO THE SOUTHWEST 7  
TO 8 MPH AFTER 3 AM.  
SMOKE DISPERSAL.....EXCELLENT (71500 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2800 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 0 0 0 0 1 3 4 5 6 7 16  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............102 101 97 91 88 85 83 81 80 79 78 77  
RH..............26 28 34 45 54 61 67 74 77 82 85 88  
20 FT WIND DIR..SE SE S SE S S S S S S S SW  
20 FT WIND SPD..9 9 9 13 14 12 10 9 8 8 8 7  
20 FT WIND GUST.13 14 14 20 21 20 17 15 14 13 13 12  
EYE LVL WND DIR.SE SE S SE S S S S S S S SW  
EYE LVL WND SPD.5 5 5 8 8 7 6 5 5 5 5 4  
EYE LVL WND GST.8 8 8 12 13 12 10 9 8 8 8 7  
MIX HGT (KFT)...6.4 6.3 5.0 2.3 0.9 0.8 0.7 0.6 0.6 0.5 0.5 0.5  
TRANSP WIND DIR.SE S S S S S S S S S S SW  
TRANSP WIND SPD.12 13 15 17 18 17 15 13 12 10 8 7  
VRATE KT-FT/1K..72 70 22 16 15 11 8 7 5 4 4 3  
VENTRATE CAT....GD GD PR PR PR PR PR PR PR PR PR PR  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 102.  
MIN HUMIDITY........30 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 MPH SHIFTING TO THE  
SOUTH AROUND 3 MPH EARLY IN THE MORNING, THEN  
SHIFTING TO THE SOUTHEAST TO 4 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING SOUTHEAST  
AROUND 5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......7300 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 9 MPH SHIFTING TO THE SOUTHEAST  
AROUND 8 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (51900 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........25 34 31 27 24 22 20 19 18 18 17 17  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............77 76 77 80 85 90 94 98 100 102 102 102  
RH..............88 90 88 79 67 54 46 39 35 31 30 30  
20 FT WIND DIR..SW SW SW SW SW S S S S S SE SE  
20 FT WIND SPD..6 6 5 5 5 5 3 3 3 3 5 6  
20 FT WIND GUST.10 9 8 8 9 8 8 7 7 8 9 9  
EYE LVL WND DIR.SW SW SW SW SW S S S S S SE SE  
EYE LVL WND SPD.4 4 3 3 3 3 2 2 2 2 3 4  
EYE LVL WND GST.6 5 5 5 5 5 5 4 4 5 5 5  
MIX HGT (KFT)...0.5 0.5 0.9 1.7 2.2 2.9 4.3 5.0 5.5 6.7 7.3 6.8  
TRANSP WIND DIR.SW SW SW SW SW SW S S S SE SE SE  
TRANSP WIND SPD.8 8 8 9 9 8 6 5 6 7 8 8  
VRATE KT-FT/1K..3 3 7 12 17 21 21 20 28 40 51 52  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR FR FR FR  
 

 
FORECASTER...27  
REQUESTED BY...K HALLMARK  
TYPE OF REQUEST...WILDFIRE  
.TAG 2620443.0/EWX  
.DELDT 08/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KB4.HALLMARK@SANDHILLSVFD.ORG  
 
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