787  
FLUS43 KFSD 230018  
HWOFSD  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
718 PM CDT FRI SEP 22 2017  
 
MNZ071-SDZ038>040-050-052>066-068-069-240030-  
LINCOLN MN-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-  
MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-  
CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-YANKTON-  
718 PM CDT FRI SEP 22 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST  
MINNESOTA, CENTRAL SOUTH DAKOTA, EAST CENTRAL SOUTH DAKOTA, SOUTH  
CENTRAL SOUTH DAKOTA, AND SOUTHEAST SOUTH DAKOTA.  
   
DAY ONE
 
TONIGHT  
 
THERE IS A MARGINAL CHANCE FOR SEVERE WEATHER THIS EVENING ACROSS  
SOUTHEASTERN SOUTH DAKOTA AND PARTS OF SOUTHWEST MINNESOTA. HAIL  
UP TO HALF DOLLAR SIZE AND WIND GUSTS UP TO 60 MPH ARE POSSIBLE  
WITH ANY SEVERE STORMS THAT DEVELOP.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY  
 
RAINFALL CHANCES WILL CONTINUE INTO EARLY NEXT WEEK, WITH THE  
THREAT FOR PERIODS OF HEAVY RAINFALL BEGINNING EARLY SATURDAY.  
RAINFALL COULD POTENTIALLY TOTAL SEVERAL INCHES OF RAIN FOR SOME  
AREAS OVER THE THREE DAY PERIOD ENDING MONDAY NIGHT. ACCORDINGLY,  
THERE IS A THREAT FOR SIGNIFICANT PONDING OF WATER AND SOME FLASH  
FLOODING.  
 
SOME SEVERE WEATHER IS POSSIBLE SATURDAY AND SUNDAY. HOWEVER, LOCATION  
OF THE SEVERE WEATHER THREAT BOTH SATURDAY AND SUNDAY REMAINS  
DIFFICULT TO DETERMINE, DEPENDENT ON EXACTLY WHERE THE FRONT SETS  
UP.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING.  
 

 
 
IAZ001>003-012>014-020>022-031-032-MNZ072-080-081-089-090-097-098-  
NEZ013-014-SDZ067-070-071-240030-  
LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY IA-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-LYON MN-MURRAY-COTTONWOOD-NOBLES-JACKSON-  
PIPESTONE-ROCK-DIXON-DAKOTA-LINCOLN SD-CLAY SD-UNION-  
718 PM CDT FRI SEP 22 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA,  
WEST CENTRAL IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA, AND  
SOUTHEAST SOUTH DAKOTA.  
   
DAY ONE
 
TONIGHT  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY  
 
THUNDERSTORM RISKS WILL RETURN BY SATURDAY AND CONTINUE AT TIMES  
INTO EARLY NEXT WEEK. AT THIS TIME, WHILE A WIDESPREAD SEVERE  
WEATHER RISK IS UNLIKELY, AN ISOLATED STRONG TO SEVERE STORM  
APPEARS POSSIBLE SATURDAY OR SUNDAY, DEPENDING ON EXACTLY WHERE  
THE FRONT SETS UP. IN ADDITION, SOME AREAS OF HEAVY RAINFALL ARE  
LIKELY, ALONG WITH A RISK FOR SIGNIFICANT PONDING OR FLASH  
FLOODING, ESPECIALLY NEAR AND WEST OF A WINDOM TO SIOUX CITY LINE.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
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