681  
FNUS73 KUNR 311603  
FWSUNR  
 
SPOT FORECAST FOR FUELS BREAK PILE BURN...SD-RBA  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1003 AM MDT MON MAR 31 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MARCH 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
COOL AND UNSETTLED CONDITIONS CAN BE EXPECTED  
THROUGH MUCH OF THE WEEK AS A SERIES OF DISTURBANCES MOVE  
THROUGH THE REGION. EXPECT BREEZY SOUTHEAST WINDS TODAY WITH  
RELATIVELY HIGH HUMIDITY. RAIN WILL MOVE INTO THE AREA TONIGHT,  
WITH A GOOD CHANCE OR WETTING RAINS. A STRONGER SYSTEM WILL MOVE  
ACROSS THE AREA TUESDAY AFTERNOON INTO WEDNESDAY WITH ADDITIONAL  
CHANCES FOR PRECIPITATION. DRIER AND SLIGHTLY WARMER CONDITIONS  
ARE EXPECTED TOWARD THE END OF THE WEEK AND ESPECIALLY THE  
WEEKEND.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).  
TEMPERATURE.........32 AT IGNITION...MAX 36.  
RH..................89 PERCENT AT IGNITION...MIN 85 PERCENT.  
WIND (20 FT)........WINDS SOUTHEAST AT 14 MPH AT  
IGNITION...OTHERWISE SOUTHEAST WINDS 15 TO 25  
MPH WITH GUSTS TO AROUND 30 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......1700 TO 2200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 20 TO 30 MPH.  
SMOKE DISPERSAL.....FAIR.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY.  
TEMPERATURE.........MIN 33.  
RH..................MAX 100 PERCENT.  
WIND (20 FT)........BREEZY. SOUTHEAST WINDS 20 TO 25 MPH WITH GUSTS  
TO AROUND 36 MPH.  
CWR.................70 PERCENT.  
MIXING HEIGHT.......500 TO 1000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 30 TO 40 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF RAIN SHOWERS  
IN THE MORNING, THEN RAIN IN THE AFTERNOON.  
TEMPERATURE.........MAX 44.  
RH..................MIN 73 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 20 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.  
CWR.................50 PERCENT.  
MIXING HEIGHT.......1900 TO 2400 FT AGL.  
TRANSPORT WINDS.....SOUTH 30 TO 35 MPH.  
SMOKE DISPERSAL.....GOOD.  
 

 
FORECASTER...JC  
REQUESTED BY...DONALD HAUKAAS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2508506.0/UNR  
.DELDT 03/31/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DONALD.HAUKAAS@BIA.GOV  
 
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