001  
FLUS43 KFSD 170943  
HWOFSD  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
443 AM CDT THU APR 17 2025  
 
MNZ071-072-097-SDZ038>040-050-052>066-068-069-180945-  
LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-  
SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-  
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-YANKTON-  
443 AM CDT THU APR 17 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST MINNESOTA, CENTRAL  
SOUTH DAKOTA, EAST CENTRAL SOUTH DAKOTA, SOUTH CENTRAL SOUTH DAKOTA  
AND SOUTHEAST SOUTH DAKOTA.  
   
DAY ONE  
TODAY AND TONIGHT.  
 
ISOLATED THUNDERSTORMS ARE POSSIBLE THROUGH TONIGHT. HOWEVER, THE  
GREATEST RISK FOR SEVERE WEATHER WILL BE ALONG AND SOUTHEAST OF A  
LINE FROM VERMILLION TO WINDOM.  
   
DAYS TWO THROUGH SEVEN  
FRIDAY THROUGH WEDNESDAY.  
 
HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
 
IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-098-NEZ013-014-  
SDZ067-070-071-180945-  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-DIXON-  
DAKOTA-LINCOLN-UNION-  
443 AM CDT THU APR 17 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST IOWA, WEST CENTRAL  
IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA AND SOUTHEAST SOUTH  
DAKOTA.  
   
DAY ONE  
TODAY AND TONIGHT.  
 
OUTSIDE OF ISOLATED MORNING THUNDERSTORMS, GREATER THUNDERSTORM  
RISKS DEVELOP AFTER 3 PM THURSDAY AS A FRONT MOVES INTO THE REGION  
FROM THE NORTHWEST. AREAS ALONG AND SOUTHEAST OF A LINE FROM  
VERMILLION TO WINDOM WILL SEE THE GREATEST POTENTIAL FOR LATE  
AFTERNOON AND EVENING THUNDERSTORMS. RISKS INCLUDE PING-PONG BALL  
SIZE HAIL AND 60 MPH WINDS. SEVERE THUNDERSTORM RISKS COME TO AN END  
BY 10 PM.  
   
DAYS TWO THROUGH SEVEN  
FRIDAY THROUGH WEDNESDAY.  
 
HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION MAY BE POSSIBLE AFTER 3PM THURSDAY ALONG AND  
SOUTHEAST OF A LINE FROM VERMILLION TO WINDOM, WITH THE HIGHEST  
POTENTIAL SOUTHEAST OF A LINE FROM SIOUX CITY TO WINDOM.  
 
 
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