082  
WUUS53 KFSD 220155  
SVRFSD  
IAC149-167-220245-  
/O.NEW.KFSD.SV.W.0329.250922T0155Z-250922T0245Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
855 PM CDT SUN SEP 21 2025  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTH CENTRAL SIOUX COUNTY IN NORTHWESTERN IOWA...  
NORTHEASTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...  
 
* UNTIL 945 PM CDT.  
 
* AT 854 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED OVER STRUBLE, OR 7  
MILES NORTH OF LE MARS, MOVING SOUTHEAST AT 15 MPH.  
 
HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL  
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT  
WIND DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* THIS SEVERE THUNDERSTORM WILL BE NEAR...  
LE MARS AROUND 915 PM CDT.  
REMSEN AROUND 930 PM CDT.  
 
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE  
BRUNSVILLE AND OYENS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY  
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE  
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.  
 
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND  
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM  
WINDOWS.  
 
TO REPORT SEVERE WEATHER, CONTACT YOUR NEAREST LAW ENFORCEMENT  
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE  
OFFICE IN SIOUX FALLS.  
 
 
 
LAT...LON 4288 9635 4298 9620 4284 9590 4268 9612  
TIME...MOT...LOC 0154Z 312DEG 15KT 4289 9619  
 
TORNADO...POSSIBLE  
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
JH  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SD Page
The Nexlab IA Page
The Nexlab MN Page
The Nexlab NE Page
Main Text Page