413
FNUS74 KOUN 281516
FWSOUN
SPOT FORECAST FOR HQ BIL PILES...USFWS
NATIONAL WEATHER SERVICE NORMAN OK
1016 AM CDT TUE APR 28 2026
FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON APRIL 28.
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.
DISCUSSION
AT IGNITION TIME, WINDS WILL BE OUT OF THE NORTH-NORTHEAST AT 10
MPH GUSTING TO 15 MPH AND WILL BE BACKING MORE NORTH INTO THE
AFTERNOON HOURS GUSTING 15-20 MPH. RH VALUES AT IGNITION TIME
WILL BE AROUND 70% AND EXPECTED TO LOWER TO A MINIMUM OF 44%
BEFORE RECOVERING AFTER SUNDOWN. TEMPERATURES WILL BE WARMING
INTO THE MID 60S THIS AFTERNOON. SKIES WILL REMAIN OVERCAST BUT
EXPECTING CLOUDINESS TO BEGIN BREAKING BY MID- AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 12 MPH.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (46700-51000 KNOT-FT).
TIME (CDT) 4 PM
SKY (%).........42
WEATHER COV.....
WEATHER TYPE....NONE
TSTM COV........
TEMP............65
RH..............45
20 FT WIND DIR..N
20 FT WIND SPD..10
20 FT WIND GUST.17
MIX HGT (FT)....3900
TRANSPORT WIND..N 14
VRATE KTFT/1000.47
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY EARLY
IN THE MORNING.
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 13 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTH 12 TO 18 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (4600-65700 KNOT-FT).
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........24 16 6 10 6 24
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............67 62 55 50 47 44
RH..............40 50 66 80 89 96
20 FT WIND DIR..N N NE NE N N
20 FT WIND SPD..13 10 9 8 7 6
20 FT WIND GUST.21 17 16 14 13 10
MIX HGT (FT)....4400 700 500 500 500 500
TRANSPORT WIND..N 17 N 16 NE 16 NE 17 NE 14 N 12
VRATE KTFT/1000.66 10 7 8 6 5
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY CLOUDY EARLY
IN THE MORNING THEN BECOMING PARTLY SUNNY THEN
BECOMING MOSTLY SUNNY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 9 MPH SHIFTING TO THE
NORTHEAST AROUND 9 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......4700 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 16 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (4600-52100 KNOT-FT).
TIME (CDT) 6 AM 9 AM NOON 3 PM
SKY (%).........54 55 44 33
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
TEMP............43 47 62 69
RH..............96 83 48 35
20 FT WIND DIR..N N NE NE
20 FT WIND SPD..6 7 8 9
20 FT WIND GUST.10 13 14 16
MIX HGT (FT)....500 1600 3700 4700
TRANSPORT WIND..N 12 N 14 NE 12 NE 12
VRATE KTFT/1000.5 19 37 47
FORECASTER...PIKE
REQUESTED BY...GLEN HENSLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2611861.3/OUN
.DELDT 04/28/26
.FORMATTERVERSION 2.0.0
.EMAIL GLEN_HENSLEY@FWS.GOV
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