904  
NWUS53 KUNR 181719  
LSRUNR  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1119 AM MDT MON MAY 18 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON  
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.  
 
..REMARKS..  
 
0700 AM SNOW WRIGHT 43.75N 105.49W  
05/18/2026 M0.8 INCH CAMPBELL WY COCORAHS  
 
24-HOUR SNOWFALL.  
 
0700 AM RAIN 9 N WEWELA 43.14N 99.80W  
05/18/2026 M0.56 INCH TRIPP SD COCORAHS  
 
24-HOUR RAINFALL.  
 
0700 AM SNOW 3 ESE CHEYENNE CROSSING 44.28N 103.81W  
05/18/2026 M1.1 INCH LAWRENCE SD COCORAHS  
 
24-HOUR SNOWFALL.  
 
 
 
 
 
CALDERON  
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