784
FNUS74 KOUN 241432
FWSOUN
SPOT FORECAST FOR HAMMON SEVERITY...OK-COA
NATIONAL WEATHER SERVICE NORMAN OK
932 AM CDT MON AUG 24 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON AUGUST 24.
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 8 PM CDT THIS EVENING
DISCUSSION
DANGEROUS HEAT IS EXPECTED THIS AFTERNOON WITH HIGH TEMPERATURES
NEAR 105 DEGREES, MINIMUM RELATIVE HUMIDITY AROUND 20%, AND LIGHT
NORTHWEST WINDS. VEGETATION REMAIN VERY DRY WITH ONGOING EXCEPTIONAL
DROUGHT CONDITIONS.
REST OF TODAY
SKY/WEATHER.........SUNNY.
TEMPERATURE.........89 AT IGNITION...MAX 105.
RH..................38 PERCENT AT IGNITION...MIN 22 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 10 MPH AT
IGNITION...OTHERWISE NORTHWEST WINDS 8 TO 9
MPH.
MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 7400 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 14 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (20100-59000 KNOT-FT).
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........17 4 6 4 4 5 13 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............89 94 97 100 102 103 105 103
RH..............38 32 30 27 25 24 22 24
20 FT WIND DIR..NW NW NW NW NW NW NW N
20 FT WIND SPD..9 9 9 9 8 8 8 8
20 FT WIND GUST.17 17 16 15 14 13 13 12
MIX HGT (KFT)...1.7 2.4 3.9 4.5 5.5 6.3 7.2 7.4
TRANSP WIND DIR.NW NW NW NW NW NW NW NW
TRANSP WIND SPD.14 13 14 12 10 9 9 9
VRATE KTFT/1000.20 27 47 45 49 51 58 59
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY EARLY
IN THE MORNING.
TEMPERATURE.........MIN 72.
RH..................MAX 81 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT, THEN BECOMING NORTH
AROUND 5 MPH EARLY IN THE MORNING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 14 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (4200-56000 KNOT-FT).
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 10 5 11 14 10 11 20 9 15 14 37
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............103 101 96 91 88 86 84 82 80 78 76 74
RH..............23 26 30 37 42 46 51 56 60 67 69 76
20 FT WIND DIR..N N NE NE NE NE NE NE NE NE NE N
20 FT WIND SPD..8 8 8 7 7 6 6 5 5 3 3 5
20 FT WIND GUST.10 10 12 12 12 12 10 9 8 7 7 7
MIX HGT (KFT)...6.2 4.2 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.N N NE NE E NE E E E NE NE NE
TRANSP WIND SPD.10 13 13 12 14 14 14 13 13 12 10 10
VRATE KTFT/1000.56 46 5 5 6 6 6 6 6 5 4 4
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY SUNNY EARLY
IN THE MORNING THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY SUNNY LATE IN THE MORNING THEN
BECOMING MOSTLY SUNNY THEN BECOMING PARTLY
SUNNY LATE IN THE AFTERNOON THEN BECOMING
SUNNY.
TEMPERATURE.........MAX 100.
RH..................MIN 29 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 8 MPH SHIFTING TO THE
NORTHEAST 8 TO 9 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......6900 FT AGL.
TRANSPORT WINDS.....NORTH 9 TO 16 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (4100-68500 KNOT-FT).
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........43 63 65 79 64 51 30 27 29 33 52 17
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............73 72 74 79 86 90 93 96 98 99 99 98
RH..............79 81 79 67 51 44 40 35 32 30 29 30
20 FT WIND DIR..N N N N N N NE NE NE NE NE NE
20 FT WIND SPD..5 5 5 5 6 7 8 8 8 8 8 9
20 FT WIND GUST.7 8 8 9 10 13 15 16 16 16 16 16
MIX HGT (KFT)...0.5 0.5 0.6 1.1 1.5 2.3 3.3 4.6 5.8 5.2 6.3 6.9
TRANSP WIND DIR.N N N N N N NE NE NE NE NE NW
TRANSP WIND SPD.10 10 10 14 16 14 12 10 10 9 12 12
VRATE KTFT/1000.4 4 6 13 22 28 33 41 52 42 63 69
FORECASTER...MAHALE
REQUESTED BY...RALSTON MOORE
TYPE OF REQUEST...PRESCRIBED
.TAG 2620374.0/OUN
.DELDT 08/24/26
.FORMATTERVERSION 2.0.0
.EMAIL RMOORE@CHEYENNEANDARAPAHO-NSN.GOV
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