870  
WWUS73 KFSD 280056  
NPWFSD  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
756 PM CDT MON JUL 27 2026  
 
IAZ012>014-020>022-031-032-NEZ013-014-SDZ068>071-280200-  
/O.EXP.KFSD.HT.Y.0007.000000T0000Z-260728T0100Z/  
SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-  
DIXON-DAKOTA-BON HOMME-YANKTON-CLAY-UNION-  
INCLUDING THE CITIES OF HAWARDEN, TABOR, STORM LAKE, SANBORN,  
CHEROKEE, PONCA, HOLSTEIN, ALCESTER, ORANGE CITY, SPENCER,  
SPRINGFIELD, JEFFERSON, BERESFORD, HARTLEY, SIOUX CENTER, TYNDALL,  
ELK POINT, NORTH SIOUX CITY, HULL, SHELDON, WAKEFIELD, SCOTLAND,  
YANKTON, BATTLE CREEK, IDA GROVE, AVON, VERMILLION, ALLEN, SIOUX  
CITY, SOUTH SIOUX CITY, LE MARS, AND ROCK VALLEY  
756 PM CDT MON JUL 27 2026  
   
..HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING
 
 
TEMPERATURES HAVE BEGUN TO COOL THIS EVENING, DROPPING HEAT INDICES  
BELOW 100F. HOWEVER, WARM OVERNIGHT LOWS AND REMAINING HUMIDITY WILL  
KEEP HEAT INDICES IN THE 70S OVERNIGHT.  
 

 
 
MEYERS  
 
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