572  
WWUS83 KUNR 232056  
SPSUNR  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
256 PM MDT SUN AUG 23 2026  
 
SDZ026-028-030-031-074-232130-  
HERMOSA FOOTHILLS SD-CUSTER CO PLAINS SD-PENNINGTON CO PLAINS SD-  
CENTRAL BLACK HILLS SD-RAPID CITY SD-  
256 PM MDT SUN AUG 23 2026  
 
...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL PENNINGTON AND  
NORTH CENTRAL CUSTER COUNTIES UNTIL 330 PM MDT...  
 
AT 256 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER  
BEAR COUNTRY, OR 9 MILES SOUTH OF RAPID CITY, MOVING SOUTHEAST AT 25  
MPH.  
 
HAZARD...NICKEL SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...MINOR DAMAGE TO OUTDOOR OBJECTS IS POSSIBLE.  
 
LOCATIONS IMPACTED INCLUDE...  
HERMOSA, HAYWARD, ROCKERVILLE, HART RANCH, BLACK GAP, REPTILE  
GARDENS AND BEAR COUNTRY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING  
WEATHER CONDITIONS.  
 
VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO  
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED  
ROADWAYS.  
 

 
 
LAT...LON 4390 10343 4404 10328 4390 10297 4374 10320  
TIME...MOT...LOC 2055Z 307DEG 20KT 4394 10330  
 
MAX HAIL SIZE...0.88 IN  
MAX WIND GUST...<30 MPH  
 

 
 
HELGESON  
 
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