890  
WWUS73 KFSD 061453  
NPWFSD  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
953 AM CDT THU AUG 6 2026  
 
IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ062-  
066>071-061600-  
/O.EXP.KFSD.FG.Y.0011.000000T0000Z-260806T1500Z/  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA  
VISTA-WOODBURY-IDA-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-MINNEHAHA-TURNER-  
LINCOLN-BON HOMME-YANKTON-CLAY-UNION-  
INCLUDING THE CITIES OF ROCK VALLEY, CENTERVILLE, YANKTON, SANBORN,  
TYNDALL, HULL, WORTHINGTON, SIOUX CITY, SPIRIT LAKE, AVON, BERESFORD,  
NORTH SIOUX CITY, ELK POINT, BATTLE CREEK, LAKEFIELD, PONCA,  
ALCESTER, SHELDON, HAWARDEN, SPRINGFIELD, VIBORG, ROCK RAPIDS, SIOUX  
CENTER, ORANGE CITY, IDA GROVE, WAKEFIELD, JACKSON, JEFFERSON, TABOR,  
LARCHWOOD, MARION, IRENE, GEORGE, HOLSTEIN, TEA, VERMILLION, LUVERNE,  
HARRISBURG, CHANCELLOR, INWOOD, SPENCER, SOUTH SIOUX CITY, CANTON,  
SCOTLAND, SIOUX FALLS, HARTLEY, CHEROKEE, PARKER, ARNOLDS PARK,  
SIBLEY, LENNOX, ALLEN, HURLEY, LE MARS, MILFORD, AND STORM LAKE  
953 AM CDT THU AUG 6 2026  
   
..DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING  
 
AREAS OF FOG WILL SLOWLY DISSIPATE LATE THIS MORNING ACROSS PORTIONS  
OF NORTHWEST IOWA, NORTHEAST NEBRASKA, AND FAR SOUTHEAST SOUTH DAKOTA  
WITH VISIBILITY RISING ABOVE ONE MILE. THEREFORE, THE DENSE FOG  
ADVISORY WILL BE ALLOWED TO EXPIRE AT 10 AM CDT. MOTORISTS SHOULD  
CONTINUE TO EXERCISE CAUTION AS VISIBILITY MAY STILL CHANGE RAPIDLY  
OVER SHORT DISTANCES UNTIL THE FOG FULLY DISSIPATES.  
 
 
 
ROGERS  
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