686  
FNUS74 KOUN 172107  
FWSOUN  
 
SPOT FORECAST FOR 4 MILE CREEK...USWFS  
NATIONAL WEATHER SERVICE NORMAN OK  
407 PM CDT THU SEP 17 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 CDT ON SEPTEMBER 17.  
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  
 
SURFACE WIND MAGNITUDES WILL DECLINE AROUND SUNSET THIS EVENING,  
WITH A LIGHT SOUTHERLY BREEZE FORECAST OVERNIGHT. WIND DIRECTION  
WILL BRIEFLY VEER TO THE SOUTHWEST NEAR/JUST AFTER SUNRISE FRIDAY  
MORNING BEFORE A MORE DOMINATE SOUTHERLY DIRECTION RETURNS INTO  
THE AFTERNOON.  
 
AFTER MODEST-GOOD OVERNIGHT MOISTURE RECOVERY, MINIMUM AFTERNOON  
HUMIDITY ON FRIDAY CURRENTLY LOOKS TO BE ~2-5% LOWER COMPARED TO  
TODAY/THURSDAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 98.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......8600 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 8 MPH.  
SMOKE DISPERSAL.....GOOD TO EXCELLENT (57600-60400 KNOT-FT).  
 
TIME (CDT) 4 PM  
SKY (%).........26  
WEATHER COV.....  
WEATHER TYPE....NONE  
TSTM COV........  
TEMP............96  
RH..............38  
20 FT WIND DIR..S  
20 FT WIND SPD..3  
20 FT WIND GUST.6  
MIX HGT (FT)....8600  
TRANSPORT WIND..S 8  
VRATE KTFT/1000.60  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........79 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 9 TO 12 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (3700-54700 KNOT-FT).  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........19 15 3 9 7 11  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............96 91 84 81 80 77  
RH..............38 45 57 63 65 71  
20 FT WIND DIR..S SE SE S S S  
20 FT WIND SPD..3 3 3 3 3 3  
20 FT WIND GUST.6 6 6 6 6 6  
MIX HGT (FT)....6800 500 500 500 500 400  
TRANSPORT WIND..S 9 SE 9 S 12 S 12 S 12 S 12  
VRATE KTFT/1000.55 4 5 5 5 4  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 97.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......8500 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 14 MPH.  
SMOKE DISPERSAL.....POOR TO EXCELLENT (3700-101600 KNOT-FT).  
 
TIME (CDT) 6 AM 10 AM 2 PM  
SKY (%).........21 10 22  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
TEMP............76 86 95  
RH..............74 57 39  
20 FT WIND DIR..S SW S  
20 FT WIND SPD..3 6 6  
20 FT WIND GUST.6 9 10  
MIX HGT (FT)....500 2100 8200  
TRANSPORT WIND..S 10 SW 14 S 13  
VRATE KTFT/1000.4 25 91  
 
 
FORECASTER...UNGAR  
REQUESTED BY...VAN LOVELACE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2622086.0/OUN  
.DELDT 09/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL VLOVELACE@BLM.COM  
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