910  
NWUS53 KFSD 311030  
LSRFSD  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
530 AM CDT SUN MAY 31 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0408 AM FLASH FLOOD 3 E HUMBOLDT 43.64N 97.02W  
05/31/2026 MINNEHAHA SD LAW ENFORCEMENT  
 
A SMALL PORTION OF HWY 38 BETWEEN HARTFORD  
AND HUMBOLDT (BETWEEN 459TH AND 460TH AVE)  
WAS IMPASSABLE DUE TO WATER OVER THE ROAD.  
WATER WAS 3-4 FEET DEEP IN A COUPLE OF  
SPOTS, BUT APPEARED TO BE SLOWLY RECEDING.  
DEPUTIES HAD REQUESTED DOT BARRICADES TO  
CLOSE THAT SECTION OF ROAD UNTIL THE WATER  
FULLY RECEDED.  
 

 
 

 
 
JH  
 
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