740  
FNUS74 KOUN 012305  
FWSOUN  
 
SPOT FORECAST FOR LOST CREEK FIRE...USWFS  
NATIONAL WEATHER SERVICE NORMAN OK  
605 PM CDT TUE SEP 1 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 CDT ON SEPTEMBER 01.  
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  
 
VERY SIMILAR CONDITIONS EXPECTED THE NEXT SEVERAL DAYS. LIGHT  
SOUTH TO SOUTHEAST WINDS OVERNIGHT WITH WITH MODEST OVERNIGHT RH  
RECOVERY. DAYTIME HIGH AGAIN NEAR 100 DEGREES WITH AFTERNOON RH  
VALUES DROPPING TO AROUND 30%, WITH SOUTH WINDS AROUND 10 MPH.  
THERE WILL BE SOME GUSTS OF 15 TO 20 MPH BY LATE MORNING INTO THE  
AFTERNOON HOURS. WINDS WILL BACK TO THE SOUTHEAST DURING THE MID  
TO LATE AFTERNOON HOURS ON WEDNESDAY.  
 
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
TEMPERATURE.........99 AT FORECAST START...MIN 74.  
RH..................25 PERCENT AT FORECAST START...MAX 76 PERCENT.  
WIND (20 FT)........WINDS SOUTH AT 12 MPH AT FORECAST  
START...OTHERWISE SOUTH WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......9300 FT AGL AT FORECAST START...OTHERWISE 500  
FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 16 MPH.  
SMOKE DISPERSAL.....EXCELLENT (89000-111700 KNOT-FT) DECREASING TO  
POOR (5500-6500 KNOT-FT) EARLY IN THE EVENING.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........12 2 5 18 3 2  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............99 94 86 81 79 77  
RH..............25 30 43 54 62 67  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..10 8 8 6 6 7  
20 FT WIND GUST.17 14 14 10 10 13  
MIX HGT (FT)....9300 600 500 500 500 500  
TRANSPORT WIND..S 14 S 13 S 15 S 16 S 15 S 14  
VRATE KTFT/1000.112 6 6 7 6 6  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY.  
TEMPERATURE.........MAX 100.  
RH..................MIN 30 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......9300 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 16 MPH.  
SMOKE DISPERSAL.....POOR TO EXCELLENT (4500-87700 KNOT-FT).  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........1 7 1 2 7 9  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............75 76 86 93 98 98  
RH..............74 71 53 41 33 32  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..6 7 9 9 9 9  
20 FT WIND GUST.10 13 16 16 16 16  
MIX HGT (FT)....500 600 2500 6800 8400 9300  
TRANSPORT WIND..S 13 S 12 S 16 S 12 S 10 S 10  
VRATE KTFT/1000.5 6 35 68 76 84  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
TEMPERATURE.........MIN 72.  
RH..................MAX 97 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 10 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 18 MPH.  
SMOKE DISPERSAL.....POOR TO EXCELLENT (4700-89300 KNOT-FT).  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........5 3 0 1  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............98 87 81 76  
RH..............32 50 69 85  
20 FT WIND DIR..SE SE S S  
20 FT WIND SPD..10 10 9 7  
20 FT WIND GUST.17 17 16 13  
MIX HGT (FT)....8000 500 500 400  
TRANSPORT WIND..S 13 S 16 S 17 S 15  
VRATE KTFT/1000.88 7 7 6  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY.  
TEMPERATURE.........MAX 100.  
RH..................MIN 35 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......7600 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 14 MPH.  
SMOKE DISPERSAL.....POOR TO EXCELLENT (4100-82700 KNOT-FT).  
 
TIME (CDT) 6 AM 10 AM 2 PM  
SKY (%).........19 17 6  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
TEMP............72 82 97  
RH..............97 72 40  
20 FT WIND DIR..SE S S  
20 FT WIND SPD..6 8 9  
20 FT WIND GUST.10 14 16  
MIX HGT (FT)....500 2100 5700  
TRANSPORT WIND..S 10 S 14 S 10  
VRATE KTFT/1000.4 25 51  
   
FORECAST DAYS 3 THROUGH 5  
   
FRIDAY  
 
CLEAR. LOWS IN THE LOWER 70S. HIGHS AROUND 100. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY  
 
CLEAR. LOWS IN THE LOWER 70S. HIGHS AROUND 100. SOUTH WINDS  
AROUND 7 MPH.    
SUNDAY  
 
MOSTLY CLEAR. LOWS IN THE LOWER 70S. HIGHS AROUND 100. SOUTH  
WINDS AROUND 6 MPH.  
 
 
FORECASTER...CURL  
REQUESTED BY...HOWARD BOSS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621061.0/OUN  
.DELDT 09/01/26  
.FORMATTERVERSION 2.0.0  
.EMAIL STEVEN_NATHO@FWS.GOV  
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