FNUS73 KABR 192201
FWSABR

Spot Forecast for Sioux Poinsett RX...SD GFP
National Weather Service Aberdeen SD
501 PM CDT Tue May 19 2026

Forecast is based on ignition time of 1100 CDT on May 20. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...South winds will gust 15 to 20 mph in the 
afternoon. Clouds will also increase by mid to late afternoon 
though no precipitation is expected at the burn site. 

.WEDNESDAY...

Sky/weather.........Partly sunny (35-45 percent). 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of lightning.0 percent. 
Max temperature.....Around 63. 
Min humidity........38 percent. 
Wind (20 ft)........South winds 7 to 12 mph. 
Mixing height.......3700-6100 ft agl. 
Transport winds.....South 9 to 13 mph. 
Smoke dispersal.....Poor (29400 knot-ft) early in the morning 
                    increasing to good (67300 knot-ft) in the 
                    afternoon. 

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........17  15  25  48  60  63  33  
Weather cov.....                            
Weather type....                            
Tstm cov........                            
Chc of pcpn (%).0   0   0   0   0   0   0   
Chc of ltng (%).0   0   0   0   0   0   0   
Temp............53  55  59  61  62  62  62  
RH..............57  51  44  41  39  39  39  
20 FT wind dir..S   S   S   S   S   S   S   
20 FT wind spd..7   8   9   10  10  12  12  
20 FT wind gust.13  15  16  17  18  18  18  
Mix hgt (kft)...3.7 4.4 4.9 5.3 5.7 6.0 6.1 
Smoke Dispersal.PR  PR  FR  FR  FR  GD  GD  

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming 
                    mostly cloudy (65-75 percent) then becoming 
                    partly cloudy (30-40 percent). 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of lightning.0 percent. 
Min temperature.....Around 39. 
Max humidity........96 percent. 
Wind (20 ft)........South winds 8 to 12 mph. 
Mixing height.......400-5800 ft agl. 
Transport winds.....South 12 to 15 mph. 
Smoke dispersal.....Good (63600 knot-ft) decreasing to poor (4400 
                    knot-ft) early in the evening. 

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 
Sky (%).........39  55  74  75  81  80  70  81  72  56  34  39  
Weather cov.....                                                
Weather type....                                                
Tstm cov........                                                
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0   
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0   
Temp............63  61  60  54  51  49  48  46  46  45  42  42  
RH..............38  44  46  57  63  68  71  76  73  76  86  86  
20 FT wind dir..S   S   S   S   SE  S   S   S   S   S   SE  SE  
20 FT wind spd..12  12  9   8   8   8   8   8   8   8   8   8   
20 FT wind gust.18  17  15  14  14  15  14  15  15  14  15  15  
Mix hgt (kft)...5.8 5.1 0.9 0.7 0.5 0.4 0.4 0.5 0.4 0.5 0.5 0.5 
Smoke Dispersal.GD  GD  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  

$$
Forecaster...Wise
Requested by...Brett Blank
Type of request...PRESCRIBED
.TAG 2614065.0/ABR
.DELDT 05/19/26
.FormatterVersion 2.0.0
.EMAIL brett.blank@state.sd.us