102
FNUS74 KTSA 122036
FWSTSA

Spot Forecast for SPOT Forecast for Fires Near McAlester...DOI
National Weather Service Tulsa OK
336 PM CDT Sat Sep 12 2026

Forecast is based on forecast start time of 0700 CDT on September 13.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact NWS Tulsa at (918)838-7838, if you have questions
or concerns with this forecast.

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM CDT SUNDAY...

.DISCUSSION...
Any lingering showers early Sunday will remain well north of the
fire location, with clearing skies and hot conditions. Humidity
will be lower, with temperatures several degrees hotter than
Saturday. Winds will also trend more southerly and remain light.
Sunny and hot conditions continue Monday.

.SUNDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 102.
Min humidity........35 percent.
Dewpoint............71 decreasing to 68 late in the afternoon.
Wind (20 ft)........South winds 5 to 6 mph.
Mixing height.......6900 ft AGL.
Transport winds.....South 9 to 13 mph.
Smoke dispersal.....Good (45245 knot-ft) early in the morning
                    increasing to excellent (88524 knot-ft) in the
                    afternoon.
Stability class.....4.
1700FT Avg MIX T(F).95.
Eye level winds.....South winds 5 to 6 mph.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........21  11  11  1   2   2   6   13  13  18  17
Weather cov.....
Weather type....
Tstm cov........
Temp............76  78  82  88  92  95  98  99  100 101 99
Dewpoint........71  72  72  73  73  72  71  70  69  68  68
RH..............84  81  73  61  54  48  42  39  37  36  36
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..5   4   4   5   6   6   6   6   6   6   6
20 FT wind gust.8   8   8   10  10  10  10  10  10  10  10
Eye lvl wnd dir.S   S   S   S   S   S   S   S   S   S   S
Eye lvl wnd spd.5   4   4   5   6   6   6   6   6   6   6
Eye lvl wnd gst.8   8   8   10  10  10  10  10  10  10  10
Mix hgt (kft)...0.4 0.5 1.1 1.6 2.7 4.5 5.7 6.3 6.9 6.6 5.3
Transp wind dir.S   S   S   S   SW  S   S   S   S   S   S
Transp wind spd.9   9   13  12  12  12  12  12  12  12  12
Vrate kt-ft/1K..56  56  56  56  56  56  89  89  89  89  89
Ventrate Cat....FR  FR  FR  FR  FR  FR  GD  GD  GD  GD  GD
1700FT Mix T(F).94  94  93  93  93  94  95  96  97  98  98

.SUNDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 77.
Max humidity........76-82 percent.
Dewpoint............68.
Wind (20 ft)........South winds 5 to 6 mph.
Mixing height.......400 ft AGL.
Transport winds.....South 10 to 13 mph.
Smoke dispersal.....Excellent (88524 knot-ft) early in the evening
                    decreasing to poor (4590 knot-ft) late in the
                    night.
Stability class.....4.
1700FT Avg MIX T(F).95.
Eye level winds.....South winds 5 to 6 mph.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........12  25  10  12  3   7   2   4   4   5   6   3
Weather cov.....
Weather type....
Tstm cov........
Temp............98  97  92  89  87  85  84  83  82  81  79  79
Dewpoint........68  69  69  69  69  69  69  69  69  69  69  69
RH..............38  40  47  51  54  58  60  62  64  67  71  73
20 FT wind dir..S   S   S   SE  SE  S   S   S   S   S   S   S
20 FT wind spd..5   5   5   5   6   5   5   5   5   5   6   6
20 FT wind gust.10  10  10  10  10  8   8   8   8   8   8   8
Eye lvl wnd dir.S   S   S   SE  SE  S   S   S   S   S   S   S
Eye lvl wnd spd.5   5   5   5   6   5   5   5   5   5   6   6
Eye lvl wnd gst.10  10  10  10  10  8   8   8   8   8   8   8
Mix hgt (kft)...3.4 0.9 0.5 0.5 0.5 0.5 0.4 0.5 0.5 0.4 0.4 0.4
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.13  12  12  12  12  12  12  13  12  12  12  10
Vrate kt-ft/1K..89  18  18  18  18  18  18  6   6   6   6   6
Ventrate Cat....GD  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
1700FT Mix T(F).98  98  97  97  96  95  95  94  94  93  93  93

.MONDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 100.
Min humidity........37 percent.
Dewpoint............70.
Wind (20 ft)........South winds 5 to 9 mph.
Mixing height.......7800 ft AGL.
Transport winds.....South 9 to 15 mph.
Smoke dispersal.....Poor (4590 knot-ft) early in the morning
                    increasing to excellent (110163 knot-ft) in the
                    afternoon.
Stability class.....4.
1700FT Avg MIX T(F).93.
Eye level winds.....South winds 5 to 8 mph.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   3   0   2   3   5   6   7   11  14  16  12
Weather cov.....
Weather type....
Tstm cov........
Temp............78  77  79  83  88  92  95  97  98  99  99  99
Dewpoint........69  70  71  72  72  72  71  70  69  69  68  68
RH..............74  79  77  70  60  53  47  43  40  39  38  37
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..5   5   6   6   6   6   7   8   8   8   8   7
20 FT wind gust.8   8   10  10  12  13  14  14  14  14  14  14
Eye lvl wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Eye lvl wnd spd.5   5   6   6   6   6   7   8   8   8   8   7
Eye lvl wnd gst.8   8   10  10  12  13  14  14  14  14  14  14
Mix hgt (kft)...0.4 0.4 0.6 1.2 2.2 3.4 4.8 6.1 7.2 7.8 7.7 6.2
Transp wind dir.S   S   S   S   SW  SW  S   S   S   S   S   S
Transp wind spd.9   10  10  13  14  15  15  15  15  15  15  15
Vrate kt-ft/1K..6   73  73  73  73  73  73  110 110 110 110 110
Ventrate Cat....PR  GD  GD  GD  GD  GD  GD  VGD VGD VGD VGD VGD
1700FT Mix T(F).92  92  91  90  90  91  92  93  94  95  96  96

$$
Forecaster...SULLIVAN
Requested by...Travis Clapp
Type of request...WILDFIRE
.TAG 2621724.0/TSA
.DELDT 09/12/26
.FormatterVersion 2.0.0
.EMAIL travis_clapp@ios.doi.gov