874  
FNUS73 KABR 081142  
FWSABR  
 
SPOT FORECAST FOR LONETREE RX...STATE OF SOUTH DAKOTA  
NATIONAL WEATHER SERVICE ABERDEEN SD  
ISSUED BY NATIONAL WEATHER SERVICE SIOUX FALLS SD  
642 AM CDT THU MAY 8 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DAYBREAK THROUGH MID-MORNING WIND ARE EXPECTED TO REMAIN FROM AN  
EASTERLY TO SOUTHEASTERLY FETCH. OCCASIONAL GUSTS TO 15 MPH WILL  
BE POSSIBLE. COMPLICATING FIRE WEATHER FACTORS TODAY REMAIN THE  
DEVELOPMENT OF A POTENTIALLY LIGHTER WIND BY MID-DAY THROUGH THE  
AFTERNOON. THE LATEST FORECAST SUGGESTS A PREVAILING 10 MPH  
SOUTHEAST DIRECTION, HOWEVER AT TIMES SOME WEAKENING OR  
VARIABILITY IN DIRECTION MAY DEVELOP BY 1-2 PM. THIS MAY BE MORE  
PRONOUNCED IN ANY TERRAIN.  
 
MIXING REMAINS POOR THIS MORNING, BUT MIXING HEIGHTS TO QUICKLY  
RISE TOWARDS THE 5-6K FT AGL LEVEL BY MID-AFTERNOON.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 9 MPH.  
MIXING HEIGHT.......1600-5500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 9 MPH.  
SMOKE DISPERSAL.....POOR (13000 KNOT-FT).  
 
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 2 1 7 13 18 18  
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............59 64 68 72 73 74 75  
RH..............53 49 45 38 35 33 32  
20 FT WIND DIR..SE E E SE SE SE SE  
20 FT WIND SPD..8 8 8 9 8 7 7  
20 FT WIND GUST.12 12 12 12 10 10 10  
MIX HGT (KFT)...1.6 2.3 3.3 4.3 4.7 5.4 5.5  
SMOKE DISPERSAL.PR PR PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........57 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 9 MPH SHIFTING TO THE  
SOUTH 9 TO 13 MPH OVERNIGHT.  
MIXING HEIGHT.......300-5200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 16 MPH SHIFTING TO THE SOUTHWEST  
18 TO 23 MPH OVERNIGHT.  
SMOKE DISPERSAL.....POOR (4100 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........17 17 7 6 8 7 3 4 5 3 3 5  
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............74 73 70 64 61 59 57 56 56 55 55 55  
RH..............32 33 35 43 48 49 53 55 53 55 53 55  
20 FT WIND DIR..SE SE SE SE SE S S S S SW SW SW  
20 FT WIND SPD..6 6 8 8 8 9 9 10 10 10 12 13  
20 FT WIND GUST.10 10 13 13 14 14 15 16 16 18 20 20  
MIX HGT (KFT)...5.2 4.3 0.5 0.4 0.3 0.4 0.3 0.4 0.4 0.4 0.4 0.4  
SMOKE DISPERSAL.PR PR PR PR PR PR PR PR PR PR PR PR  
 

 
FORECASTER...BC  
REQUESTED BY...BRETT BLANK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2513479.0/ABR  
.DELDT 05/08/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRETT.BLANK@STATE.SD.US  
 
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