344  
FLUS43 KFSD 280913  
HWOFSD  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
413 AM CDT SAT JUN 28 2025  
 
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-  
098-NEZ013-014-SDZ038>040-050-052>071-290915-  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-  
PIPESTONE-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-BROOKINGS-GREGORY-  
JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-  
MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-  
YANKTON-UNION-  
413 AM CDT SAT JUN 28 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA,  
WEST CENTRAL IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA,  
CENTRAL SOUTH DAKOTA, EAST CENTRAL SOUTH DAKOTA, SOUTH CENTRAL  
SOUTH DAKOTA, AND SOUTHEAST SOUTH DAKOTA.  
   
DAY ONE  
TODAY AND TONIGHT  
 
MORNING SHOWERS AND A FEW THUNDERSTORMS WILL LIFT INTO NORTHERN  
SOUTH DAKOTA AND DISSIPATE THROUGH THE MORNING.  
 
AFTER 4PM, ISOLATED TO SCATTERED THUNDERSTORMS WILL BEGIN TO FORM  
ALONG A FRONT STRETCHING FROM NEAR WINNER TO HURON AND WATERTOWN.  
WHILE THERE IS CONSIDERABLE UNCERTAINTY IN THE COVERAGE OF STORMS,  
IF THEY DEVELOP, THEY MAY BRING RISKS OF HAIL UP TO 2 INCHES IN  
DIAMETER AND 70 MPH WIND GUSTS. THE TORNADO RISK REMAINS LOW,  
FOCUSED MOSTLY OVER CENTRAL MINNESOTA AND NORTHEAST SOUTH DAKOTA.  
 
STORMS MAY THEN DRIFT SLOWLY TO THE SOUTH OR SOUTHEAST INTO THE  
EVENING AND EARLY OVERNIGHT HOURS. ADDITIONAL STORM CLUSTERS MAY  
MOVE OUT OF THE WESTERN DAKOTAS AFTER MIDNIGHT, REACHING THE JAMES  
RIVER VALLEY BY 4AM. THESE STORMS COULD BRING STRONG WIND GUSTS.  
 
IN ADDITION TO THUNDERSTORM RISKS TODAY, HEAT INDEX VALUES WILL  
RISE NEAR 100 DEGREES SATURDAY AFTERNOON.  
   
DAYS TWO THROUGH SEVEN  
SUNDAY THROUGH FRIDAY  
 
SCATTERED THUNDERSTORMS WILL CONTINUE TO BE POSSIBLE SUNDAY  
MORNING INTO THE AFTERNOON AHEAD OF AN APPROACHING COLD FRONT. AN  
ISOLATED STORM OR TWO MAY PRODUCE QUARTER SIZE HAIL AND 60 MPH  
WIND GUSTS.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
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