348  
FNUS74 KOUN 271335  
FWSOUN  
 
SPOT FORECAST FOR LONG TERM SEVERITY...CHEYENNE AND ARAPAHO TRIBES  
NATIONAL WEATHER SERVICE NORMAN OK  
835 AM CDT FRI MAR 27 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 CDT ON MARCH 27.  
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.  
   
..WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING  
   
..RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING  
 
   
DISCUSSION  
 
STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE THROUGH MUCH OF THE DAY,  
GRADUALLY DIMINISHING THROUGH LATE AFTERNOON AND EVENING. RH IS EXPECTED  
TO DROP INTO THE 20 TO 30 PERCENT RANGE ALONG THE I-40 CORRIDOR (WITH THE  
LOWEST RHS FURTHER WEST). TEMPERATURES WILL STRUGGLE TO MAKE IT OUT OF THE  
50S.  
 
RH RECOVERY WILL BE NEAR 50 PERCENT TONIGHT. WINDS WILL CONTINUE TO DECREASE  
THROUGH THE NIGHT AND START TO SHIFT TOWARD EASTERLY THEN SOUTHERLY TOWARD  
MORNING.  
   
REST OF TODAY  
 
SKY/WEATHER.........CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE  
AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN THE  
MORNING.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........34 PERCENT.  
SURFACE WINDS (MPH).BREEZY. NORTHEAST WINDS 26 TO 30 MPH WITH GUSTS  
TO AROUND 45 MPH.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........93 91 87 74 73 69 72 81 81  
WEATHER COV.....CHC  
WEATHER TYPE....RW  
TSTM COV........  
TEMP............44 45 46 47 49 52 53 54 54  
RH..............86 79 68 63 54 46 41 36 34  
SURFACE WND DIR.N N N N N N NE NE NE  
SURFACE WND SPD.30 30 30 30 28 29 28 28 26  
SURFACE WND GST.45 45 45 45 41 44 41 41 40  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
MIN TEMPERATURE.....AROUND 37.  
MAX HUMIDITY........59 PERCENT.  
SURFACE WINDS (MPH).NORTHEAST WINDS 14 TO 24 MPH WITH GUSTS TO  
AROUND 37 MPH DECREASING TO 8 TO 13 MPH  
OVERNIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........70 72 69 66 52 47 37 44 37 32 36 28  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............55 55 54 53 52 50 48 46 44 43 42 40  
RH..............34 34 34 35 36 37 39 43 45 47 46 50  
SURFACE WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
SURFACE WND SPD.24 21 18 17 15 14 13 12 10 10 9 8  
SURFACE WND GST.37 31 28 26 23 21 20 17 16 16 14 13  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING SUNNY IN THE LATE  
MORNING AND AFTERNOON.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........28 PERCENT.  
SURFACE WINDS (MPH).EAST WINDS 6 TO 8 MPH SHIFTING TO THE SOUTH 15  
TO 16 MPH LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........34 32 32 25 17 21 25 29 26 23 20 21  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............39 38 37 41 47 52 56 59 61 63 64 64  
RH..............52 54 59 50 40 33 30 28 28 28 29 30  
SURFACE WND DIR.NE NE E E SE SE S S S S S S  
SURFACE WND SPD.7 6 7 8 10 12 12 13 14 15 16 16  
SURFACE WND GST.10 9 10 13 16 17 17 20 21 23 24 24  
 
 
FORECASTER...DAY  
REQUESTED BY...JEFFERY ELIZONDO  
TYPE OF REQUEST...OTHER  
.TAG 2608130.0/OUN  
.DELDT 03/27/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JELIZONDO@C-A-TRIBES.ORG  
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