788  
NWUS53 KFSD 171957  
LSRFSD  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
257 PM CDT SUN MAY 17 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0246 PM TSTM WND DMG 2 WSW WAGNER 43.07N 98.33W  
05/17/2026 CHARLES MIX SD TRAINED SPOTTER  
 
WIND GUSTS 50-60 MPH BROKE DOWN 1.5 TO 2  
INCH TREE BRANCHES. SHEETS OF HEAVY RAIN AND  
PEA HAIL WERE ALSO FALLING.  
 

 
 

 
 
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