628  
FNUS74 KOUN 151032  
FWSOUN  
 
SPOT FORECAST FOR ARROWHEAD...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE NORMAN OK  
532 AM CDT TUE SEP 15 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 CDT ON SEPTEMBER 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (405) 325-3816 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
MODESTLY BREEZY SOUTH WINDS ARE EXPECTED TODAY WITH GUSTS OF 20 TO 25 MPH  
POSSIBLE. NEAR-RECORD BREAKING AIR TEMPERATURES ARE FORECAST, AND BY  
EARLY AFTERNOON, RELATIVE HUMIDITY WILL FALL BELOW 40 PERCENT AND REACH  
A MINIMUM OF ABOUT 28 PERCENT. WINDS WILL DIMINISH SHORTLY AFTER SUNSET.  
   
TODAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 102.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........SOUTH WINDS 10 TO 13 MPH.  
MIXING HEIGHT.......8300 FT AGL.  
TRANSPORT WINDS.....SOUTH 15 TO 18 MPH.  
SMOKE DISPERSAL.....POOR TO EXCELLENT (6000-105700 KNOT-FT)  
INCREASING TO EXCELLENT (115600-116200 KNOT-FT)  
LATE IN THE AFTERNOON.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........2 4 9 3 7 7  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............78 78 86 94 100 101  
RH..............72 74 59 43 34 28  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..12 10 13 12 12 13  
20 FT WIND GUST.20 17 21 20 20 21  
MIX HGT (FT)....400 900 2100 4600 7500 8300  
TRANSPORT WIND..S 17 S 15 S 18 S 16 S 16 S 16  
VRATE KTFT/1000.7 12 34 64 105 116  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........75 PERCENT.  
WIND (20 FT)........SOUTH WINDS 8 TO 13 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 17 MPH.  
SMOKE DISPERSAL.....GOOD TO EXCELLENT (45000-116400 KNOT-FT)  
DECREASING TO POOR (5500-7300 KNOT-FT) EARLY IN  
THE EVENING.  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........3 0 1 2  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............100 90 85 82  
RH..............28 41 50 58  
20 FT WIND DIR..S SE S S  
20 FT WIND SPD..13 10 9 8  
20 FT WIND GUST.21 17 16 14  
MIX HGT (FT)....7800 500 500 500  
TRANSPORT WIND..S 17 S 16 S 17 S 16  
VRATE KTFT/1000.116 6 7 7  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........30 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH.  
MIXING HEIGHT.......9600 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 14 MPH.  
SMOKE DISPERSAL.....POOR TO EXCELLENT (5000-97900 KNOT-FT).  
 
TIME (CDT) 6 AM 10 AM 2 PM  
SKY (%).........11 3 2  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
TEMP............77 86 98  
RH..............72 55 33  
20 FT WIND DIR..S S S  
20 FT WIND SPD..7 6 7  
20 FT WIND GUST.13 10 13  
MIX HGT (FT)....500 2000 9300  
TRANSPORT WIND..S 14 S 13 S 12  
VRATE KTFT/1000.6 22 93  
 
 
FORECASTER...THOMPSON  
REQUESTED BY...SETH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621918.0/OUN  
.DELDT 09/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
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