566  
FNUS74 KOUN 190739  
FWSOUN  
 
SPOT FORECAST FOR CONCHO SEVERITY...CHEYENNE AND ARAPAHO TRIBES  
NATIONAL WEATHER SERVICE NORMAN OK  
239 AM CDT WED AUG 19 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0825 CDT ON AUGUST 19.  
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.  
 
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT  
THIS EVENING...  
   
DISCUSSION
 
 
DANGEROUS HEAT CONTINUES TODAY AND FOR THE NEXT FEW DAYS. BOTH  
TEMPERATURES AND HEAT INDEX VALUES WILL RISE TO TRIPLE DIGITS  
BY AROUND NOON TODAY. ELEVATED FIRE WEATHER CONDITIONS ARE ALSO  
EXPECTED TO DEVELOP THIS AFTERNOON DUE TO LOW HUMIDITY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 108.  
MIN HUMIDITY........18 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 12 TO 14 MPH SHIFTING TO THE  
NORTH AROUND 12 MPH LATE IN THE AFTERNOON.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........8 4 7 4 9 3 2 6 20 13  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............83 87 93 97 101 105 107 108 108 107  
RH..............43 39 32 28 24 22 20 18 18 19  
SURFACE WND DIR.SW W W W W SW SW SW SW N  
SURFACE WND SPD.14 13 13 14 13 13 13 13 12 12  
SURFACE WND GST.21 20 20 21 20 20 20 20 17 17  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
OVERNIGHT.  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........76 PERCENT.  
SURFACE WINDS (MPH).NORTHEAST WINDS 7 TO 13 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........5 10 10 7 6 8 19 12 22 23 50 48  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
TEMP............106 103 98 93 90 87 85 83 81 80 77 77  
RH..............20 23 28 33 39 46 51 57 60 62 69 69  
SURFACE WND DIR.NE NE NE NE NE NE NE E E NE NE NE  
SURFACE WND SPD.13 12 10 10 10 9 9 8 8 8 8 7  
SURFACE WND GST.20 17 16 16 16 14 14 13 13 13 13 10  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY SUNNY EARLY  
IN THE MORNING THEN BECOMING MOSTLY SUNNY THEN  
BECOMING SUNNY EARLY IN THE AFTERNOON THEN  
BECOMING MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS EARLY IN THE MORNING.  
MAX TEMPERATURE.....AROUND 102.  
MIN HUMIDITY........27 PERCENT.  
SURFACE WINDS (MPH).NORTHEAST WINDS 7 TO 12 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 60 49 40 35 30 34 21 18 34 35 33  
WEATHER COV.....SCH  
WEATHER TYPE....RW  
TSTM COV........SCH  
TEMP............76 75 77 80 85 90 94 96 99 100 101 102  
RH..............74 76 74 67 57 47 41 38 33 31 28 27  
SURFACE WND DIR.NE NE E NE NE NE NE NE NE NE NE NE  
SURFACE WND SPD.7 7 7 8 8 9 9 10 10 12 12 12  
SURFACE WND GST.10 10 10 13 13 14 14 16 16 17 17 17  
 

 
FORECASTER...SPEHEGER  
REQUESTED BY...JEFFERY ELIZONDO  
TYPE OF REQUEST...OTHER  
.TAG 2619917.1/OUN  
.DELDT 08/19/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JELIZONDO@C-A-TRIBES.ORG  
 
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