437  
SXUS43 KUNR 272002  
RECUNR  
 
AFTERNOON HOT AIR BALLOON FORECAST  
NATIONAL WEATHER SERVICE RAPID CITY SD  
201 PM MDT SUN APR 27 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: 751 PM.  
 
SURFACE WIND FORECAST: 4 PM...210/07G15 MPH.  
6 PM...250/07G15 MPH.  
 
BOUNDARY LAYER WIND: 4 PM...190/14 MPH. DEPTH 9500 FT.  
6 PM...100/14 MPH. DEPTH 5400 FT.  
 
RAP WINDS (APPROX. 5 PM): 250FT...140/07 MPH.  
500FT...140/07 MPH.  
1000FT...140/08 MPH.  
2000FT...150/08 MPH.  
3000FT...150/08 MPH.  
 
SURFACE LIFTED INDEX: 4 PM...-4.  
7 PM...-5.  
 
DENSITY ALTITUDE: 4 PM...6138 FT.  
6 PM...5908 FT.  
 
ADDITIONAL WEATHER INFO: CEILINGS AROUND 9000 FEET AGL,  
UNRESTRICTED VISIBILITIES,  
60 PERCENT CHANCE OF PRECIPITATION.  
 
   
OUTLOOK FOR TOMORROW MORNING  
 
SUNRISE: 548 AM.  
WEATHER: SCATTERED CLOUDS AROUND 9000 FEET AGL,  
UNRESTRICTED VISIBILITIES.  
SURFACE WIND: 6 AM...260/14G23 MPH.  
8 AM...270/18G30 MPH.  
BOUNDARY WIND: 6 AM...270/22 MPH. DEPTH 500 FT.  
8 AM...270/29 MPH. DEPTH 1300 FT.  
 
RAP WINDS (APPROX. 6 AM): 250FT...240/05 MPH.  
500FT...250/08 MPH.  
1000FT...290/14 MPH.  
2000FT...300/18 MPH.  
3000FT...310/22 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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