615  
FNUS73 KABR 270105  
FWSABR  
 
SPOT FORECAST FOR 4-MILE GPA RX...GAME FISH AND PARKS  
NATIONAL WEATHER SERVICE ABERDEEN SD  
805 PM CDT TUE MAY 26 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 2000 CDT ON MAY 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
TEMPERATURES SLOW TO COOL THIS EVENING, WITH A SLOW TO WEAKEN  
SOUTHEAST WIND. HOT WEATHER CONTINUES WEDNESDAY AND THURSDAY WITH  
TEMPERATURES INTO THE UPPER 80S AND LOW 90S, WITH HUMIDITY DOWN TO  
AROUND 30 TO 40 PERCENT. WINDS BOTH DAYS PRIMARILY FROM THE EAST  
TO SOUTHEAST, 10 TO 15 MPH WEDNESDAY AND 15 TO 20 MPH ON THURSDAY.  
EXPECT MAINLY DRY CONDITIONS.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (25-35 PERCENT).  
CWR.................3 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.10 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......400-5800 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 14 MPH.  
SMOKE DISPERSAL.....POOR (4800 KNOT-FT).  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........52 49 29 30 28 14 17 11 15 9 10 7  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 0 0  
CHC OF LTNG (%).10 0 0 0 0 0 0 0 0 0 0 0  
TEMP............61 62 67 71 77 81 82 84 87 87 87 88  
RH..............78 78 70 64 50 46 44 41 38 38 36 35  
20 FT WIND DIR..SE SE S SE S SE SE SE E E E E  
20 FT WIND SPD..7 6 6 5 5 5 5 5 6 6 7 7  
20 FT WIND GUST.13 13 12 9 8 9 9 9 10 12 12 14  
MIX HGT (KFT)...0.4 0.4 0.5 0.8 1.3 2.1 3.2 4.6 5.1 5.8 5.6 5.1  
SMOKE DISPERSAL.PR PR PR PR PR PR PR PR PR PR PR PR  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING.  
CWR.................5 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.16 PERCENT.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........78 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 14 MPH. GUSTS UP TO 25 MPH  
LATE IN THE EVENING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
EVENING.  
MIXING HEIGHT.......400-4200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 9 TO 18 MPH.  
SMOKE DISPERSAL.....POOR (5200 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........13 15 25 28 40 47 35 49 37 33 40 31  
WEATHER COV..... SCH SCH  
WEATHER TYPE.... RW RW  
TSTM COV........ SCH SCH  
CHC OF PCPN (%).0 0 10 10 20 20 10 0 0 0 0 0  
CHC OF LTNG (%).0 0 0 0 20 20 0 0 0 0 0 0  
TEMP............87 85 83 75 72 70 69 67 66 63 61 60  
RH..............36 40 44 58 61 63 66 70 70 75 78 78  
20 FT WIND DIR..E E E E E SE SE SE SE SE SE SE  
20 FT WIND SPD..8 9 8 9 9 10 12 13 13 14 14 14  
20 FT WIND GUST.15 16 16 16 17 20 22 23 24 24 25 24  
MIX HGT (KFT)...4.2 1.9 0.6 0.5 0.4 0.5 0.5 0.4 0.5 0.5 0.5 0.5  
SMOKE DISPERSAL.PR PR PR PR PR PR PR PR PR PR PR PR  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (25-35 PERCENT).  
CWR.................1 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 12 TO 14 MPH.  
MIXING HEIGHT.......500-5500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 16 TO 18 MPH.  
SMOKE DISPERSAL.....POOR (7800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (47600 KNOT-FT) IN THE  
AFTERNOON INCREASING TO GOOD (63400 KNOT-FT)  
LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........35 48 50 33 15 12 9 6 8 10 12 14  
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............59 60 64 68 73 77 81 84 86 87 87 87  
RH..............78 75 67 61 51 47 42 38 36 34 34 34  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..14 14 13 13 13 13 12 12 12 13 13 13  
20 FT WIND GUST.24 24 23 22 21 21 21 21 21 22 22 22  
MIX HGT (KFT)...0.5 0.5 0.6 0.8 1.3 1.9 2.6 3.4 4.4 5.3 5.5 4.7  
SMOKE DISPERSAL.PR PR PR PR PR PR PR FR GD GD GD GD  
 

 
FORECASTER...CONNELLY  
REQUESTED BY...PATRICK TATE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614516.0/ABR  
.DELDT 05/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL PATRICK.TATE@STATE.SD.US  
 
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