881  
FNUS74 KOUN 200744  
FWSOUN  
 
SPOT FORECAST FOR CONCHO SEVERITY...CHEYENNE AND ARAPAHO TRIBES  
NATIONAL WEATHER SERVICE NORMAN OK  
244 AM CDT THU AUG 20 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0825 CDT ON AUGUST 20.  
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 FROM 1 PM THIS AFTERNOON TO 8 PM CDT  
THIS EVENING...  
   
DISCUSSION  
 
ANOTHER HOT DAY TODAY, ALTHOUGH NOT QUITE AS HOT AS YESTERDAY.  
HEAT INDEX VALUES WILL REACH 100 BY AROUND 1 PM. IT WILL BE A FEW  
DEGREES WARMER TOMORROW AGAIN.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY SUNNY LATE IN  
THE MORNING THEN BECOMING SUNNY THEN BECOMING  
MOSTLY SUNNY LATE IN THE AFTERNOON. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN  
THE MORNING.  
MAX TEMPERATURE.....AROUND 103.  
MIN HUMIDITY........27 PERCENT.  
SURFACE WINDS (MPH).EAST WINDS 6 TO 8 MPH.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........54 52 50 33 33 20 49 31 43 28  
WEATHER COV.....SCH SCH  
WEATHER TYPE....RW RW  
TSTM COV........SCH SCH  
TEMP............77 80 87 91 94 97 100 102 102 102  
RH..............71 65 52 44 39 34 31 28 27 27  
SURFACE WND DIR.E E E SE E E E E SE E  
SURFACE WND SPD.7 6 7 7 7 7 7 8 8 8  
SURFACE WND GST.10 9 10 10 10 10 10 13 13 13  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY  
OVERNIGHT THEN BECOMING MOSTLY CLEAR THEN  
BECOMING MOSTLY CLOUDY AFTER 3 AM THEN BECOMING  
MOSTLY CLEAR.  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........69 PERCENT.  
SURFACE WINDS (MPH).SOUTHEAST WINDS 6 TO 9 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........21 29 22 27 16 8 8 41 23 67 55 20  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............100 98 96 89 86 85 83 83 81 80 78 77  
RH..............29 31 34 44 50 51 55 55 58 60 67 69  
SURFACE WND DIR.E E SE SE SE SE SE SE SE SE SE SE  
SURFACE WND SPD.8 9 8 8 8 7 7 7 6 6 6 6  
SURFACE WND GST.13 14 13 13 13 10 10 10 9 9 9 9  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 105.  
MIN HUMIDITY........24 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS 5 TO 9 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........14 9 28 21 22 23 24 10 18 7 10 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............77 76 78 82 88 93 97 100 103 104 104 105  
RH..............69 69 67 61 50 41 35 31 27 27 25 24  
SURFACE WND DIR.SE SE S SE SE S S S S S S S  
SURFACE WND SPD.6 5 6 6 7 8 8 8 8 8 9 9  
SURFACE WND GST.9 7 9 9 10 13 13 13 13 13 14 14  
 
 
FORECASTER...SPEHEGER  
REQUESTED BY...JEFFERY ELIZONDO  
TYPE OF REQUEST...OTHER  
.TAG 2619917.2/OUN  
.DELDT 08/20/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JELIZONDO@C-A-TRIBES.ORG  
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