348  
NWUS53 KFSD 211943  
LSRFSD  
 
PRELIMINARY LOCAL STORM REPORT...SUMMARY  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
243 PM CDT FRI AUG 21 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON  
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.  
 
..REMARKS..  
 
0648 PM HAIL HUMBOLDT 43.65N 97.07W  
08/20/2026 M1.75 INCH MINNEHAHA SD PUBLIC  
 
 
 
0659 PM HAIL 4 S COLTON 43.73N 96.94W  
08/20/2026 M0.75 INCH MINNEHAHA SD PUBLIC  
 
REPORT FROM MPING: DIME (0.75 IN.).  
 
0700 PM HAIL 2 W HARTFORD 43.62N 96.99W  
08/20/2026 M1.25 INCH MINNEHAHA SD PUBLIC  
 
PHOTO POSTED TO SOCIAL MEDIA.  
 
0702 PM HAIL 5 NW CROOKS 43.72N 96.87W  
08/20/2026 E1.50 INCH MINNEHAHA SD PUBLIC  
 
PHOTO POSTED TO SOCIAL MEDIA. TIME ESTIMATED  
BASED ON RADAR.  
 
0710 PM HAIL 3 NE CROOKS 43.69N 96.78W  
08/20/2026 M1.25 INCH MINNEHAHA SD COCORAHS  
 
MINOR LEAF DAMAGE.  
 
0710 PM HAIL 4 NE CROOKS 43.70N 96.75W  
08/20/2026 E1.25 INCH MINNEHAHA SD PUBLIC  
 
HAIL MAY HAVE BEEN LARGER. THE HAIL WAS  
STILL QUARTER SIZE WHEN FOUND IN THE GRASS  
OVER 30 MINUTES AFTER IT FELL.  
 
0714 PM HAIL 2 W BALTIC 43.76N 96.78W  
08/20/2026 E1.00 INCH MINNEHAHA SD TRAINED SPOTTER  
 
REPORT RELAYED FROM NWS ABERDEEN OFFICE.  
 
0715 PM HAIL 5 ENE CROOKS 43.68N 96.71W  
08/20/2026 E1.00 INCH MINNEHAHA SD PUBLIC  
 
REPORT AND PHOTO VIA SOCIAL MEDIA.  
 
0725 PM TSTM WND DMG 3 SSW OLIVET 43.20N 97.70W  
08/20/2026 HUTCHINSON SD PUBLIC  
 
SOCIAL MEDIA VIDEO SHOWS SHED BEING DAMAGED.  
TIME ESTIMATED BASED ON RADAR.  
 
0725 PM TSTM WND GST 7 WSW WALL LAKE 43.49N 97.08W  
08/20/2026 M76 MPH TURNER SD MESONET  
 
MESONET STATION PKMS2 PARKER 7NNE (SD  
MESONET).  
 
0728 PM HAIL 4 S SIOUX FALLS 43.48N 96.74W  
08/20/2026 E1.00 INCH LINCOLN SD PUBLIC  
 
 
 
0749 PM HAIL 5 NE LESTERVILLE 43.09N 97.51W  
08/20/2026 E1.00 INCH YANKTON SD PUBLIC  
 
IN ADDITION TO QUARTER SIZED HAIL, ABOUT 1  
INCH OF RAINFALL CAME THROUGH IN ABOUT 15  
MINUTES.  
 
0802 PM TSTM WND DMG 1 N CHANCELLOR 43.39N 96.99W  
08/20/2026 TURNER SD EMERGENCY MNGR  
 
CROP DAMAGE FROM HAIL, HEAVY RAIN, AND  
STRONG WINDS. TIME ESTIMATED BASED ON RADAR.  
 
0813 PM HAIL CHANCELLOR 43.37N 96.99W  
08/20/2026 E0.88 INCH TURNER SD TRAINED SPOTTER  
 
 
 
0819 PM TSTM WND GST 1 SSW CHANCELLOR 43.36N 96.99W  
08/20/2026 M58 MPH TURNER SD PUBLIC  
 
PERSONAL WEATHER STATION.  
 
 
 
 
 
TRM  
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