672  
FNUS74 KOUN 151340  
FWSOUN  
 
SPOT FORECAST FOR CONCHO SEVERITY...CHEYENNE AND ARAPAHO TRIBES  
NATIONAL WEATHER SERVICE NORMAN OK  
840 AM CDT SAT AUG 15 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 CDT ON AUGUST 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.  
   
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY
 
 
   
DISCUSSION
 
 
VERY HOT AGAIN TODAY WITH BREEZY SOUTH TO SOUTHWEST WINDS.  
AFTERNOON HUMIDITY WILL DROP TO AROUND 25% WITH ONLY MODEST  
OVERNIGHT RECOVERY. SOUTH WINDS WILL CONTINUE OVERNIGHT WITH SOME  
GUSTS OF NEAR 20 MPH. SIMILAR CONDITIONS ON SUNDAY WITH A FRONT  
APPROACHING THE SITE IN THE AFTERNOON. WINDS WILL BECOME MORE  
WESTERLY, BUT COULD SEE MORE OF A VARIABLE WIND DIRECTION  
DEPENDING ON LOCATION OF THE FRONT SUNDAY AFTERNOON. THERE WILL BE  
A VERY LOW CHANCE OF A SHOWER OR THUNDERSTORM SUNDAY AFTERNOON.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
TEMPERATURE.........83 AT FORECAST START...MAX 103.  
RH..................63 PERCENT AT FORECAST START...MIN 27 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS 15 TO 18 MPH.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 19 7 7 7 9 5 2 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............83 88 92 96 99 101 102 103 103  
RH..............63 54 47 40 36 32 30 28 27  
SURFACE WND DIR.SW SW SW SW SW S S S S  
SURFACE WND SPD.16 17 17 16 15 15 15 15 16  
SURFACE WND GST.24 26 26 24 23 23 23 23 24  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR THEN BECOMING PARTLY CLOUDY BEFORE  
BECOMING MOSTLY CLEAR TOWARD MORNING.  
TEMPERATURE.........MIN 79.  
RH..................MAX 60 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 10 TO 16 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........1 0 4 8 10 7 37 10 29 6 23 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............102 100 98 93 91 89 87 86 84 83 82 81  
RH..............28 30 32 39 42 45 48 48 51 53 55 56  
SURFACE WND DIR.S S S S S S S S S S SW SW  
SURFACE WND SPD.16 15 13 12 10 10 10 10 12 12 13 13  
SURFACE WND GST.24 23 20 17 16 16 16 16 17 17 20 20  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY LATE IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS LATE  
IN THE AFTERNOON.  
TEMPERATURE.........MAX 103.  
RH..................MIN 28 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS 10 TO 13 MPH SHIFTING TO THE AROUND  
10 MPH LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........11 16 22 21 29 16 13 16 9 11 22 58  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH  
TEMP............81 79 81 85 91 94 97 100 101 102 103 101  
RH..............56 60 58 53 44 40 35 32 31 29 28 30  
SURFACE WND DIR.SW SW SW SW SW W W W W W W W  
SURFACE WND SPD.12 12 12 12 13 13 12 10 10 10 10 10  
SURFACE WND GST.17 17 17 17 20 20 17 16 16 16 16 16  
   
FORECAST DAYS 3 THROUGH 5
 
   
MONDAY
 
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 70S. HIGHS IN THE UPPER 90S. NORTHEAST WINDS AROUND  
6 MPH.    
TUESDAY
 
 
MOSTLY CLEAR. LOWS IN THE MID 70S. HIGHS AROUND 104. SOUTHEAST  
WINDS AROUND 9 MPH.    
WEDNESDAY
 
 
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HIGHS AROUND 104. SOUTHWEST  
WINDS AROUND 13 MPH.  
 

 
FORECASTER...CURL  
REQUESTED BY...JEFFERY ELIZONDO  
TYPE OF REQUEST...OTHER  
.TAG 2619742.0/OUN  
.DELDT 08/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JELIZONDO@C-A-TRIBES.ORG  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OK Page
The Nexlab TX Page Main Text Page