215  
WWUS73 KFSD 150918  
NPWFSD  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
418 AM CDT SAT AUG 15 2026  
 
SDZ038-039-052>055-057>061-063>066-068>070-151400-  
/O.NEW.KFSD.FG.Y.0012.260815T0918Z-260815T1400Z/  
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-BRULE-AURORA-DAVISON-  
HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-  
YANKTON-CLAY-  
INCLUDING THE CITIES OF HOWARD, PLANKINTON, STICKNEY, TRIPP,  
CENTERVILLE, BRIDGEWATER, TABOR, PARKSTON, ARMOUR, CANISTOTA,  
MADISON, MENNO, YANKTON, SPRINGFIELD, DELMONT, ALEXANDRIA, WESSINGTON  
SPRINGS, HURLEY, EMERY, DE SMET, KIMBALL, MONTROSE, AVON,  
CHAMBERLAIN, MARION, MARTY, PARKER, MITCHELL, WHITE LAKE, TYNDALL,  
LAKE PRESTON, WOONSOCKET, PLATTE, IRENE, LAKE ANDES, ORLAND, WAGNER,  
HURON, SCOTLAND, CHANCELLOR, ARLINGTON, CLAYTON, CORSICA, FREEMAN,  
VERMILLION, SALEM, VIBORG, AND ALPENA  
418 AM CDT SAT AUG 15 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
 
 
* WHAT...VISIBILITY ONE QUARTER TO ONE HALF MILE IN DENSE FOG.  
 
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, SOUTH CENTRAL, AND  
SOUTHEAST SOUTH DAKOTA.  
 
* WHEN...UNTIL 9 AM CDT THIS MORNING.  
 
* IMPACTS...LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.  
 
* ADDITIONAL DETAILS...BE PREPARED FOR QUICKLY CHANGING VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF  
DISTANCE AHEAD OF YOU.  
 

 
 

 
 
SG  
 
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