431  
FLUS43 KFSD 190943  
HWOFSD  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
443 AM CDT THU JUN 19 2025  
 
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-  
098-NEZ013-014-SDZ038>040-050-052>071-200945-  
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-  
443 AM CDT THU JUN 19 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR 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.  
 
ISOLATED THUNDERSTORMS ARE POSSIBLE ALONG AND WEST OF THE JAMES RIVER  
TODAY. IF A STORM IS ABLE TO FORM, IT COULD BE STRONG TO SEVERE WITH  
LARGE HAIL AND DAMAGING WINDS.  
   
DAYS TWO THROUGH SEVEN  
FRIDAY THROUGH WEDNESDAY.  
 
BY THE END OF THIS WEEK, HEAT AND HUMIDITY BUILDING INTO THE AREA  
WILL LIKELY PRODUCE HEAT INDICES ABOVE 100 DEGREES FRIDAY THROUGH  
SUNDAY. THOSE WITH OUTDOOR ACTIVITIES PLANNED, OR WITH LIMITED  
COOLING RESOURCES, WILL WANT TO MONITOR THE FORECAST AND PREPARE  
FOR EXTREME HEAT.  
 
HEAVY RAINFALL COULD RETURN TO THE AREA NEXT WEEK. DETAILS ARE  
UNCERTAIN AT THIS TIME SO CONTINUE TO CHECK THE LATEST FORECAST FOR  
THE MOST UP TO DATE INFORMATION.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
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