911  
FNUS74 KOUN 270245  
FWSOUN  
 
SPOT FORECAST FOR KNOX 9009...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE NORMAN OK  
945 PM CDT SAT SEP 26 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 CDT ON SEPTEMBER 26.  
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 WINDS AT THE WILDFIRE LOCATION ARE LIGHT AND SOUTHERLY AND  
LIKELY TO GO LIGHT & VARIABLE THROUGH THE NIGHT UP TO 5 MPH. THE  
WINDS WILL BE INCREASING OUT OF THE WEST-SOUTHWEST AROUND 10 MPH  
BY LATE SUNDAY MORNING AROUND 11 AM AND GRADUALLY SHIFT NORTHERNLY  
BY LATE SUNDAY AFTERNOON. CURRENT THUNDERSTORM ACTIVITY IS WELL  
TO THE EAST AND NOT EXPECTING ANY OVERNIGHT REDEVELOPMENT INTO  
KNOX COUNTY. THE RH IS CURRENTLY AROUND 60% AND SHOULD CONTINUE  
RISING THROUGH THE NIGHT BUT START LOWERING AGAIN SUNDAY AFTERNOON  
WITH A MINIMUM OF 28% BY LATE SUNDAY AFTERNOON. EXPECTING A LOW  
TEMPERATURE TONIGHT AROUND 72 DEGREES WITH JUST A FEW HIGH CLOUDS  
OVERHEAD.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE EVENING.  
MIN TEMPERATURE.....AROUND 72.  
MAX HUMIDITY........79 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 8 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
EVENING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 14 MPH.  
SMOKE DISPERSAL.....POOR (4700-6200 KNOT-FT).  
 
TIME (CDT) 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........43 29 39 32  
WEATHER COV.....S CHC S CHC  
WEATHER TYPE....RNSHWR RNSHWR NONE NONE  
TSTM COV........S CHC S CHC  
TEMP............81 79 78 75  
RH..............63 67 69 74  
20 FT WIND DIR..S S S S  
20 FT WIND SPD..8 7 6 7  
20 FT WIND GUST.14 12 12 13  
MIX HGT (FT)....500 500 500 500  
TRANSPORT WIND..S 13 S 13 S 14 S 13  
VRATE KTFT/1000.5 5 6 5  
   
SUNDAY  
 
SKY/WEATHER.........SUNNY THEN BECOMING MOSTLY SUNNY EARLY IN THE  
MORNING THEN BECOMING SUNNY THEN BECOMING  
MOSTLY SUNNY LATE IN THE MORNING THEN BECOMING  
SUNNY THEN BECOMING PARTLY SUNNY EARLY IN THE  
AFTERNOON THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....AROUND 97.  
MIN HUMIDITY........27 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 7 MPH SHIFTING TO THE  
NORTHWEST AROUND 5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......9700 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 14 MPH SHIFTING TO THE  
NORTHWEST 6 TO 9 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (4000-55200 KNOT-FT).  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........21 37 32 18 41 36  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............74 73 80 88 94 96  
RH..............76 79 62 47 34 28  
20 FT WIND DIR..S SW SW W W NW  
20 FT WIND SPD..7 6 7 6 6 5  
20 FT WIND GUST.12 10 12 12 12 10  
MIX HGT (FT)....500 400 1300 3300 7600 9700  
TRANSPORT WIND..SW 13 SW 10 W 14 W 9 W 8 NW 6  
VRATE KTFT/1000.5 4 16 27 53 49  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY EARLY  
IN THE EVENING THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY LATE IN THE EVENING THEN  
BECOMING MOSTLY CLEAR.  
MIN TEMPERATURE.....AROUND 72.  
MAX HUMIDITY........79 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 5 MPH SHIFTING TO THE EAST 5  
TO 6 MPH EARLY IN THE EVENING, THEN BECOMING  
LIGHT AFTER 3 AM BECOMING EAST AROUND 5 MPH  
AFTER 3 AM.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 6 MPH SHIFTING TO THE SOUTH 6 TO 8  
MPH EARLY IN THE EVENING, THEN SHIFTING TO THE  
EAST 9 TO 10 MPH LATE IN THE EVENING SHIFTING  
TO THE SOUTHEAST 9 TO 12 MPH LATE IN THE  
EVENING SHIFTING TO THE SOUTHWEST AROUND 12  
MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (3500-33300 KNOT-FT).  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........16 38 16 11  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............95 87 82 77  
RH..............29 40 53 67  
20 FT WIND DIR..N NE E E  
20 FT WIND SPD..5 6 5 3  
20 FT WIND GUST.9 9 8 6  
MIX HGT (FT)....6700 500 500 500  
TRANSPORT WIND..W 6 NE 9 SE 10 SE 10  
VRATE KTFT/1000.33 4 4 4  
   
MONDAY  
 
SKY/WEATHER.........SUNNY THEN BECOMING MOSTLY SUNNY.  
MAX TEMPERATURE.....AROUND 96.  
MIN HUMIDITY........31 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST LATE IN THE MORNING, THEN SHIFTING TO  
THE SOUTH 5 TO 6 MPH IN THE LATE MORNING AND  
EARLY AFTERNOON BECOMING AROUND 5 MPH LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......9800 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE EAST AROUND  
8 MPH EARLY IN THE MORNING, THEN SHIFTING TO  
THE SOUTH 7 TO 10 MPH EARLY IN THE MORNING.  
SMOKE DISPERSAL.....POOR TO GOOD (3200-59000 KNOT-FT).  
 
TIME (CDT) 6 AM 10 AM 2 PM  
SKY (%).........8 14 29  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
TEMP............74 79 93  
RH..............74 64 37  
20 FT WIND DIR..E SW S  
20 FT WIND SPD..5 5 6  
20 FT WIND GUST.7 8 10  
MIX HGT (FT)....500 1500 9400  
TRANSPORT WIND..W 10 SW 9 S 7  
VRATE KTFT/1000.4 12 57  
 
 
FORECASTER...PIKE  
REQUESTED BY...WT  
TYPE OF REQUEST...WILDFIRE  
.TAG 2622588.0/OUN  
.DELDT 09/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
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