443  
WWUS83 KFSD 120901  
SPSFSD  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
401 AM CDT TUE AUG 12 2025  
 
IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-121400-  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-UNION-  
INCLUDING THE CITIES OF ROCK RAPIDS, GEORGE, INWOOD, LARCHWOOD,  
SIBLEY, SPIRIT LAKE, MILFORD, ARNOLDS PARK, SIOUX CENTER,  
ORANGE CITY, ROCK VALLEY, HAWARDEN, HULL, SHELDON, HARTLEY,  
SANBORN, SPENCER, LE MARS, CHEROKEE, STORM LAKE, SIOUX CITY,  
IDA GROVE, HOLSTEIN, BATTLE CREEK, WAKEFIELD, PONCA, ALLEN,  
SOUTH SIOUX CITY, VERMILLION, NORTH SIOUX CITY, BERESFORD,  
ELK POINT, ALCESTER, AND JEFFERSON  
401 AM CDT TUE AUG 12 2025  
 
...AREAS OF FOG ACROSS NORTHWEST IOWA, NORTHEAST NEBRASKA, AND FAR  
SOUTHEAST SOUTH DAKOTA...  
 
AREAS OF FOG OCCASIONALLY REDUCING VISIBILITY TO AROUND A HALF  
MILE HAVE DEVELOPED EARLY THIS MORNING. TRAVELERS SHOULD BE  
PREPARED FOR RAPIDLY DETERIORATING OR CHANGING VISIBILITY, AND USE  
EXTRA CAUTION AT INTERSECTIONS, RAILROAD CROSSINGS, AND SCHOOL  
BUS STOPS. THE FOG IS EXPECTED TO IMPROVE BY MID MORNING.  
 

 
 
BP  
 
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