827
FNUS74 KSHV 172105
FWSSHV

Spot Forecast for Shelby 7135...Texas A&M Forest Service
National Weather Service Shreveport LA
405 PM CDT Mon Aug 17 2026

Forecast is based on forecast start time of 1600 CDT on August 17.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (318) 631-3669 ext. 241, if you have questions
or concerns with this forecast.

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT WEDNESDAY...

.DISCUSSION...

Good afternoon, it is hot out there with temperatures lingering in
the lower 100s and heat index values around 110 degrees. RH values
are currently around 30 percent and will begin to increase slowly
as we head into the evening hours. Winds have been fairly light
and out of the south, generally remaining under 5 mph and gusts
remaining under 10 mph. Winds will begin to shift out of the
southwest overnight and will increase in the process, with
sustained winds approaching 10 mph and gusts of 15 to 20 mph
possible. Please let us know if you need anything else.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Temperature.........102 at forecast start...Max 102.
RH..................30 percent at forecast start...Min 30 percent.
Wind (20 ft)........Winds south at 3 mph at forecast
                    start...otherwise Light winds.
Mixing height.......9700 ft AGL at forecast start...otherwise 9700
                    ft AGL.
Transport winds.....Southwest 3 to 5 mph.
Transport winds m/s.Southwest 1 to 2 meters/second.
LVORI...............1.
Dispersion index....38 increasing to 49 late in the afternoon.

TIME (CDT)      4PM 5PM
Sky (%).........3   10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0
Temp............102 102
RH..............30  30
20 FT wind dir..S   S
20 FT wind mph..3   3
20 FT wind gust.7   8
Mix hgt (kft)...9.7 9.3
Transp wind dir.SW  S
Transp wind spd.3   5
Trans wind dir..SW  S
Trans spd (m/s).1   2
Dispersion idx..38  49
LVORI...........1   1

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
Temperature.........Min 79.
RH..................Max 77 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 6 mph.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 6 to 14 mph.
Transport winds m/s.Southwest 3 to 6 meters/second.
LVORI...............2.
Dispersion index....60 decreasing to 5.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........4   2   6   2   3   3   4   5   7   9   7   10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............101 100 96  90  87  86  86  84  83  82  80  80
RH..............32  35  39  49  53  55  55  59  61  63  67  72
20 FT wind dir..S   S   S   S   S   S   SW  SW  SW  SW  SW  SW
20 FT wind mph..3   5   5   6   5   6   6   6   6   5   5   5
20 FT wind gust.8   9   12  13  13  14  15  15  14  14  14  13
Mix hgt (kft)...9.1 4.1 0.5 0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.S   S   S   S   S   S   SW  SW  SW  SW  W   W
Transp wind spd.6   8   10  12  14  14  14  14  13  13  12  10
Trans wind dir..S   S   S   S   S   S   SW  SW  SW  SW  W   W
Trans spd (m/s).3   4   4   5   6   6   6   6   6   6   5   4
Dispersion idx..60  4   5   5   6   6   6   6   6   6   5   5
LVORI...........1   2   2   2   2   3   3   3   3   3   3   3

.TUESDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Temperature.........Max 103.
RH..................Min 33 percent.
Wind (20 ft)........Southwest winds around 5 mph early in the
                    morning becoming light, then becoming southwest
                    around 5 mph in the late morning and early
                    afternoon shifting to the south around 6 mph.
Mixing height.......9500 ft AGL.
Transport winds.....West 7 to 14 mph shifting to the south 6 to 7
                    mph in the afternoon.
Transport winds m/s.West around 4 meters/second shifting to the
                    south around 3 meters/second in the afternoon.
LVORI...............3.
Dispersion index....8 increasing to 23 early in the morning, then
                    increasing to 40 late in the morning increasing
                    to 54 early in the afternoon increasing to 60
                    increasing to 74 late in the afternoon
                    decreasing to 59.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........12  19  15  17  23  14  10  12  9   8   14  11
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............79  79  81  84  89  93  97  100 101 102 103 102
RH..............74  77  74  70  59  51  42  36  33  32  30  32
20 FT wind dir..SW  SW  W   W   W   W   W   SW  SW  S   S   S
20 FT wind mph..5   5   3   5   5   5   5   5   5   6   6   6
20 FT wind gust.13  12  10  10  10  10  9   8   8   9   10  10
Mix hgt (kft)...0.5 0.5 1.1 1.5 2.0 3.1 5.0 7.3 8.6 9.2 9.5 8.4
Transp wind dir.W   W   W   W   W   W   SW  S   S   S   S   S
Transp wind spd.10  10  14  12  10  9   7   6   6   6   7   7
Trans wind dir..W   W   W   W   W   W   SW  S   S   S   S   S
Trans spd (m/s).4   4   6   5   4   4   3   3   3   3   3   3
Dispersion idx..5   10  18  22  27  37  43  50  57  60  74  59
LVORI...........3   4   3   3   2   1   1   1   1   1   1   1

$$
Forecaster...THORNE
Requested by...Steph Harvey
Type of request...WILDFIRE
.TAG 2619874.0/SHV
.DELDT 08/17/26
.FormatterVersion 2.0.0
.EMAIL steph.harvey@tfs.tamu.edu