751
FNUS74 KTSA 201653
FWSTSA
SPOT FORECAST FOR VC UNIT...AR STATE PARKS
NATIONAL WEATHER SERVICE TULSA OK
1153 AM CDT MON APR 20 2026
FORECAST IS BASED ON IGNITION TIME OF 1700 CDT ON APRIL 20.
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.
DISCUSSION
GUSTY SOUTH WINDS WILL EXIST THIS AFTERNOON, WITH 20-FOOT GUSTS
AROUND 15 MPH. MINIMUM HUMIDITIES WILL BE IN THE 30 TO 35 PERCENT
THIS AFTERNOON. MOISTURE WILL BE INCREASED TOMORROW UNDER
CONTINUED SOUTHERLY WINDS, WITH MINIMUM RELATIVE HUMIDITES ONLY
DROPPING INTO THE 45 TO 50 PERCENT RANGE. 20-FOOT WIND GUSTS
TOMORROW AFTERNOON WILL BE IN THE 15 TO 20 MPH RANGE FROM THE
SOUTH TO SOUTHWEST.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........31 PERCENT.
DEWPOINT............41.
WIND (20 FT)........SOUTH WINDS AROUND 7 MPH.
MIXING HEIGHT.......4600 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 18 MPH.
SMOKE DISPERSAL.....EXCELLENT (75409 KNOT-FT).
STABILITY CLASS.....3.
1700FT AVG MIX T(F).70.
TIME (CDT) 5PM
SKY (%).........8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............72
DEWPOINT........41
RH..............32
20 FT WIND DIR..S
20 FT WIND SPD..6
20 FT WIND GUST.13
MIX HGT (KFT)...4.6
TRANSP WIND DIR.S
TRANSP WIND SPD.18
VRATE KT-FT/1K..75
VENTRATE CAT....GD
1700FT MIX T(F).70
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........71 PERCENT.
DEWPOINT............42.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 17 MPH.
SMOKE DISPERSAL.....EXCELLENT (75409 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4590 KNOT-FT) LATE IN THE
NIGHT.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).67.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........7 10 14 17 15 26 49 48 36 35 38 32
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............72 70 65 62 59 57 56 54 53 53 53 52
DEWPOINT........42 43 43 43 43 43 43 42 42 42 41 42
RH..............34 38 45 50 55 59 62 64 66 66 65 69
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..6 5 5 5 4 4 4 5 5 5 5 5
20 FT WIND GUST.12 11 10 10 10 10 10 10 10 11 11 11
MIX HGT (KFT)...4.0 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S SW SW S S S SW S SW S S
TRANSP WIND SPD.17 12 12 10 12 12 12 12 13 12 12 12
VRATE KT-FT/1K..75 5 5 5 5 5 5 5 5 5 5 5
VENTRATE CAT....GD PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).70 69 69 68 68 67 67 66 65 65 64 64
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........47 PERCENT.
DEWPOINT............44 INCREASING TO 49 IN THE LATE MORNING AND
AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 13 MPH.
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH INCREASING TO 23 TO 25
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (4590 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (115409 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).65.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........27 32 25 34 41 46 37 35 32 36 38 48
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............52 51 54 58 64 67 68 70 70 70 71 69
DEWPOINT........42 42 44 46 48 48 48 49 50 50 51 51
RH..............69 71 69 64 56 50 49 47 49 49 49 53
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 6 7 9 9 10 10 11 11 10 10
20 FT WIND GUST.11 11 13 10 13 14 14 14 17 17 14 14
MIX HGT (KFT)...0.4 0.4 0.5 1.4 2.4 3.1 3.6 4.2 4.6 5.0 5.1 4.8
TRANSP WIND DIR.S SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.12 12 12 18 23 23 24 25 25 25 25 25
VRATE KT-FT/1K..5 79 79 79 79 79 79 115 115 115 115 115
VENTRATE CAT....PR GD GD GD GD GD GD VGD VGD VGD VGD VGD
1700FT MIX T(F).63 63 63 63 63 63 64 64 66 67 67 67
FORECASTER...K.HATFIELD
REQUESTED BY...FRED SUTTON
TYPE OF REQUEST...PRESCRIBED
.TAG 2610915.0/TSA
.DELDT 04/20/26
.FORMATTERVERSION 2.0.0
.EMAIL FRED.SUTTON@ARKANSAS.GOV
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