739  
SXUS43 KUNR 170901  
RECUNR  
 
MORNING HOT AIR BALLOON FORECAST  
NATIONAL WEATHER SERVICE RAPID CITY SD  
301 AM MDT WED SEP 17 2025  
 
THIS FORECAST IS INFORMATION TO ASSIST PILOTS AND AIRCREWS FOR FLIGHT PLANNING  
AND IS NOT TO BE CONSIDERED AS A SOLE SOURCE OF INFORMATION TO MEET ALL  
PREFLIGHT ACTIONS. PILOTS SHOULD RECEIVE A COMPLETE PREFLIGHT BRIEFING FROM A  
FLIGHT SERVICE STATION (1-800-WXBRIEF) OR ONLINE VIA 1800WXBRIEF.COM.  
 
...HERE IS THE MORNING HOT AIR BALLOON FORECAST  
FOR THE HOT SPRINGS MUNICIPAL AIRPORT...  
   
THIS MORNING  
 
SUNRISE: 634 AM.  
 
SURFACE WIND FORECAST: 6 AM...350/10 MPH.  
8 AM...360/12 MPH.  
 
BOUNDARY LAYER WIND: 7 AM...360/15 MPH. DEPTH 800 FT.  
9 AM...360/17 MPH. DEPTH 1400 FT.  
 
RAP WINDS (AT 7 AM): 250FT...330/06 MPH.  
500FT...350/09 MPH.  
1000FT...360/10 MPH.  
2000FT...360/10 MPH.  
3000FT...360/11 MPH.  
 
SURFACE LIFTED INDEX: 6 AM...+1.  
9 AM...+1.  
 
DENSITY ALTITUDE: 6 AM...4136 FT.  
8 AM...4288 FT.  
 
ADDITIONAL WEATHER INFO: CEILINGS AROUND 1000 FEET AGL,  
UNRESTRICTED VISIBILITIES,  
60 PERCENT CHANCE OF PRECIPITATION.  
 
   
OUTLOOK FOR THIS AFTERNOON  
 
SUNSET: 658 PM.  
 
WEATHER: CEILINGS AROUND 1000 FEET AGL,  
UNRESTRICTED VISIBILITIES,  
90 PERCENT CHANCE OF PRECIPITATION.  
 
SURFACE WIND: 4 PM...340/15G25 MPH.  
6 PM...340/15G24 MPH.  
 
BOUNDARY WIND: 4 PM...360/24 MPH. DEPTH 1800 FT.  
6 PM...350/24 MPH. DEPTH 1600 FT.  
 
RAP WINDS (AT 4 PM): 250FT...020/13 MPH.  
500FT...020/20 MPH.  
1000FT...020/23 MPH.  
2000FT...020/24 MPH.  
3000FT...020/23 MPH.  
 
   
OUTLOOK FOR TOMORROW MORNING  
 
SURFACE WIND FORECAST: 6 AM...320/12 MPH.  
8 AM...350/12G20 MPH.  
 
RAP WINDS (AT 7 AM): 250FT...300/06 MPH.  
500FT...320/12 MPH.  
1000FT...330/16 MPH.  
2000FT...330/19 MPH.  
3000FT...340/22 MPH.  
 
ADDITIONAL WEATHER INFO: CEILINGS AROUND 2000 FEET AGL,  
UNRESTRICTED VISIBILITIES,  
60 PERCENT CHANCE OF PRECIPITATION.  
 
 
THIS FORECAST IS NOT ROUTINELY UPDATED OR AMENDED OUTSIDE OF ANY SCHEDULED  
ISSUANCES.  
 
 
 
ADDITIONAL AVIATION OBSERVATIONS AND FORECASTS ARE AVAILABLE AT  
AVIATIONWEATHER.GOV. YOU CAN ALSO READ THE LOCAL AVIATION FORECAST DISCUSSION  
AT HTTPS://WWW.AVIATIONWEATHER.GOV/FCSTDISC.  
 
 
 
WFO UNR  
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