532  
WWUS73 KFSD 100844  
NPWFSD  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
344 AM CDT WED SEP 10 2025  
 
IAZ001>003-012>014-020-MNZ071-072-080-081-089-090-097-098-SDZ039-040-  
055-056-062-067-101400-  
/O.CON.KFSD.FG.Y.0013.000000T0000Z-250910T1400Z/  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-LINCOLN-LYON-  
MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-  
BROOKINGS-LAKE-MOODY-MINNEHAHA-LINCOLN-  
INCLUDING THE CITIES OF SIOUX CENTER, WORTHINGTON, SPIRIT LAKE,  
MOUNTAIN LAKE, LAKE PRESTON, BROOKINGS, SLAYTON, SIOUX FALLS,  
ARLINGTON, ORLAND, TEA, FLANDREAU, DE SMET, ROCK VALLEY, HARTLEY,  
SIBLEY, SPENCER, MARSHALL, SANBORN, GEORGE, MADISON, HAWARDEN,  
SHELDON, HENDRICKS, IVANHOE, ARNOLDS PARK, LUVERNE, LARCHWOOD,  
WINDOM, JACKSON, LE MARS, LENNOX, ORANGE CITY, HULL, MILFORD,  
PIPESTONE, CANTON, INWOOD, LAKE BENTON, TYLER, ROCK RAPIDS,  
LAKEFIELD, FULDA, AND HARRISBURG  
344 AM CDT WED SEP 10 2025  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS  
MORNING...  
 
* WHAT...VISIBILITY ONE QUARTER TO ONE HALF MILE IN DENSE FOG.  
 
* WHERE...PORTIONS OF NORTHWEST IOWA, SOUTHWEST MINNESOTA, AND EAST  
CENTRAL AND SOUTHEAST SOUTH DAKOTA.  
 
* WHEN...UNTIL 9 AM CDT THIS MORNING.  
 
* IMPACTS...LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF  
DISTANCE AHEAD OF YOU.  
 

 
 

 
 
JM  
 
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