Spot Forecast
Issued by NWS Oklahoma City, OK

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670
FNUS74 KOUN 161012
FWSOUN

Spot Forecast for Arrowhead...Texas A&M Forest Service
National Weather Service Norman OK
512 AM CDT Wed Sep 16 2026

Forecast is based on forecast start time of 0600 CDT on September 16.
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...

As temperatures rise into the triple-digits this afternoon, expect
relative humidity to decrease to near 25 percent. Southerly winds
up to 10 mph are expected. As temperatures go down this evening, RH
will rise above 50 percent around midnight.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....Around 102.
Min humidity........27 percent.
Wind (20 ft)........South winds 7 to 9 mph.
Mixing height.......9100 ft AGL.
Transport winds.....South 10 to 14 mph.
Smoke dispersal.....Poor to excellent (4600-90900 knot-ft).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   3   8   2   4   6   5   2   9   8   18  25
Weather cov.....
Weather type....
Tstm cov........
Temp............79  77  78  81  87  90  94  96  99  100 100 101
RH..............62  69  67  60  50  45  39  35  31  29  28  27
20 FT wind dir..S   S   S   S   S   SW  S   S   S   S   SE  SE
20 FT wind spd..8   7   7   8   9   9   8   7   7   7   7   8
20 FT wind gust.14  13  13  14  16  16  14  13  13  13  13  14
Mix hgt (kft)...0.5 0.5 0.6 1.3 2.0 2.8 5.1 7.0 7.9 8.7 9.1 8.8
Transp wind dir.S   S   S   S   SW  S   S   S   S   S   S   SE
Transp wind spd.14  12  12  14  14  12  12  10  12  12  12  12
VRate ktft/1000.6   5   6   16  24  28  51  63  79  87  91  88

.TONIGHT...

Sky/weather.........Clear then becoming mostly clear early in the
                    morning.
Min temperature.....Around 75.
Max humidity........79 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph.
Mixing height.......500 ft AGL.
Transport winds.....South 12 to 15 mph.
Smoke dispersal.....Poor to excellent (4500-90200 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........3   0   4   1   0   0   1   1   1   7   9   10
Weather cov.....
Weather type....
Tstm cov........
Temp............100 98  95  90  88  86  84  83  82  81  79  78
RH..............29  31  36  42  47  50  55  57  61  63  67  69
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  S   S   S   S   S
20 FT wind spd..9   10  8   8   7   6   6   6   6   6   6   5
20 FT wind gust.16  17  14  14  13  10  10  9   9   9   9   7
Mix hgt (kft)...8.2 3.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.7 0.9 0.5
Transp wind dir.SE  SE  SE  SE  SE  SE  SE  S   S   S   S   S
Transp wind spd.13  14  13  14  15  15  15  15  14  14  14  12
VRate ktft/1000.90  36  5   6   6   6   6   6   5   9   11  5

.THURSDAY...

Sky/weather.........Sunny then becoming mostly sunny early in the
                    afternoon then becoming partly sunny then
                    becoming mostly sunny late in the afternoon.
Max temperature.....Around 100.
Min humidity........34 percent.
Wind (20 ft)........South winds around 5 mph early in the morning
                    becoming light, then becoming south 5 to 6 mph
                    in the late morning and afternoon.
Mixing height.......8900 ft AGL.
Transport winds.....South 8 to 13 mph.
Smoke dispersal.....Poor to excellent (4000-77500 knot-ft).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........21  16  17  17  3   10  7   21  32  48  54  41
Weather cov.....
Weather type....
Tstm cov........
Temp............77  75  77  81  87  90  93  95  97  97  98  99
RH..............71  79  74  67  55  50  46  40  38  38  35  34
20 FT wind dir..S   S   S   S   S   S   S   S   S   SE  SE  SE
20 FT wind spd..5   3   3   3   5   5   5   5   5   6   6   6
20 FT wind gust.7   6   6   6   7   7   7   7   7   9   10  10
Mix hgt (kft)...0.4 0.4 0.9 1.6 3.1 5.3 6.7 7.6 8.9 8.6 7.7 6.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   SE  SE
Transp wind spd.12  10  10  12  12  10  9   8   9   10  9   13
VRate ktft/1000.4   4   8   17  31  47  53  54  71  78  61  72

$$
Forecaster...THOMPSON
Requested by...seth
Type of request...WILDFIRE
.TAG 2621983.0/OUN
.DELDT 09/16/26
.FormatterVersion 2.0.0
.EMAIL csdispatch@tfs.tamu.edu