045  
SXUS43 KUNR 072001  
RECUNR  
 
AFTERNOON HOT AIR BALLOON FORECAST  
NATIONAL WEATHER SERVICE RAPID CITY SD  
201 PM MDT THU AUG 7 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 AFTERNOON HOT AIR BALLOON FORECAST  
FOR THE HOT SPRINGS MUNICIPAL AIRPORT...  
   
THIS AFTERNOON
 
 
SUNSET: 808 PM.  
 
SURFACE WIND FORECAST: 4 PM...230/13G22 MPH.  
6 PM...230/12 MPH.  
 
BOUNDARY LAYER WIND: 4 PM...240/22 MPH. DEPTH 14800 FT.  
6 PM...250/22 MPH. DEPTH 9800 FT.  
 
RAP WINDS (APPROX. 5 PM): 250FT...270/09 MPH.  
500FT...260/10 MPH.  
1000FT...260/11 MPH.  
2000FT...260/12 MPH.  
3000FT...260/13 MPH.  
 
SURFACE LIFTED INDEX: 4 PM...-1.  
7 PM...-1.  
 
DENSITY ALTITUDE: 4 PM...7178 FT.  
6 PM...7079 FT.  
 
ADDITIONAL WEATHER INFO: CLEAR BELOW 12000 FEET AGL,  
UNRESTRICTED VISIBILITIES,  
HOT--REDUCED BUOYANCY.  
 
   
OUTLOOK FOR TOMORROW MORNING
 
 
SUNRISE: 548 AM.  
WEATHER: CLEAR BELOW 12000 FEET AGL,  
UNRESTRICTED VISIBILITIES.  
SURFACE WIND: 6 AM...360/09 MPH.  
8 AM...330/10 MPH.  
BOUNDARY WIND: 6 AM...320/13 MPH. DEPTH 700 FT.  
8 AM...280/15 MPH. DEPTH 1400 FT.  
 
RAP WINDS (APPROX. 6 AM): 250FT...290/08 MPH.  
500FT...300/16 MPH.  
1000FT...290/17 MPH.  
2000FT...270/17 MPH.  
3000FT...260/19 MPH.  
 
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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