806
FNUS74 KJAN 210054
FWSJAN

Spot Forecast for Airport...Arkansas Forestry Division
National Weather Service Jackson MS
754 PM CDT Thu Aug 20 2026

Forecast is based on forecast start time of 2000 CDT on August 20.
If conditions become unrepresentative, contact the National Weather
Service.

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT FRIDAY...

.DISCUSSION...

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (55-65 percent) then becoming
                    partly cloudy (35-45 percent). Chance of
                    thunderstorms early in the evening. Chance of
                    showers early in the evening. Slight chance of
                    thunderstorms late in the evening.
Temperature.........90 at forecast start...Min 72.
RH..................56 percent at forecast start...Max 97 percent.
Wind (20 ft)........Winds east at 1 mph at forecast
                    start...otherwise Light winds. Gusty and
                    erratic winds expected near thunderstorms early
                    in the evening. Gusty and erratic winds
                    expected near thunderstorms late in the
                    evening.
Mixing height (m)...122 meters AGL at forecast start...otherwise
                    122-152 meters AGL.
Transport winds m/s.Southeast around 4 meters/second shifting to
                    the south 4 to 5 meters/second in the late
                    evening and overnight.

TIME (CDT)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......PC  PC  PC  PC  PC  MC  PC  MC  MC  PC
Weather cov.....CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW
Tstm cov........CHC CHC SCH SCH SCH
Temp............90  85  83  82  81  79  78  76  75  75
RH..............56  65  72  74  77  82  85  87  90  90
20 ft wind dir..E   E   E   SE  N   N   N   N   N   N
20 ft wind spd..1   1   1   1   0   0   0   0   0   0
20 ft wind gust.7   7   8   8   7   7   7   6   6   5
Mix hgt (km)....0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.1 0.1 0.1
Trans wind dir..E   SE  S   S   S   S   S   SW  SW  SW
Trans spd (m/s).4   4   4   4   4   4   5   4   4   4

.FRIDAY...

Sky/weather.........Sunny (20-30 percent). Slight chance of showers
                    early in the afternoon.
Temperature.........Max 101.
RH..................Min 36 percent.
Wind (20 ft)........Light winds.
Mixing height (m)...122-1890 meters AGL.
Transport winds m/s.West 3 to 4 meters/second shifting to the
                    northwest late in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  MCR MCR PC  MCR MCR MCR MCR MCR MCR MCR
Weather cov.....                        SCH
Weather type....                        RW
Tstm cov........
Temp............74  74  80  85  90  93  96  98  99  100 101 99
RH..............93  97  82  67  58  52  46  42  39  37  36  38
20 ft wind dir..N   N   N   N   NW  W   W   NW  NW  NW  NW  NW
20 ft wind spd..0   0   0   0   1   2   2   3   3   3   3   2
20 ft wind gust.5   5   5   6   7   8   8   9   9   10  10  10
Mix hgt (km)....0.1 0.1 0.2 0.3 0.5 0.8 1.1 1.6 1.9 1.9 1.7 1.5
Trans wind dir..W   W   W   NW  NW  NW  W   NW  W   NW  NW  NW
Trans spd (m/s).3   3   4   3   3   3   3   3   4   4   4   3

$$
Forecaster...Parks
Requested by...Wesley McKinney
Type of request...WILDFIRE
.TAG 2620134.0/JAN
.DELDT 08/20/26
.FormatterVersion 2.0.0
.EMAIL wesley.mckinney@arkansas.gov