901  
FLUS43 KFSD 260942  
HWOFSD  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
442 AM CDT SAT JUL 26 2025  
 
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-  
098-NEZ013-014-SDZ038>040-050-052>071-270945-  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-  
PIPESTONE-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-BROOKINGS-GREGORY-  
JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-  
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-YANKTON-  
UNION-  
442 AM CDT SAT JUL 26 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST IOWA, WEST CENTRAL  
IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA, CENTRAL SOUTH  
DAKOTA, EAST CENTRAL SOUTH DAKOTA, SOUTH CENTRAL SOUTH DAKOTA AND  
SOUTHEAST SOUTH DAKOTA.  
   
DAY ONE  
TODAY AND TONIGHT.  
 
FOG HAS DEVELOPED THIS MORNING, FOCUSED NEAR THE INTERSTATE 29  
CORRIDOR AND EASTWARD. EXPECT VISIBILITY BELOW ONE QUARTER MILE IN  
DENSE FOG THROUGH MID MORNING.  
 
HEAT AND HUMIDITY INCREASE TODAY WITH HEAT INDEX VALUES IN THE 90S TO  
LOWER 100S - HIGHEST ALONG AND WEST OF THE JAMES RIVER.  
   
DAYS TWO THROUGH SEVEN  
SUNDAY THROUGH FRIDAY.  
 
FOG, LOCALLY DENSE, MAY DEVELOP AGAIN LATE TONIGHT INTO SUNDAY  
MORNING.  
 
HOT AND HUMID CONDITIONS EXPECTED SUNDAY AND INTO EARLY NEXT WEEK  
WITH HEAT INDEX VALUES IN THE 90S TO LOWER 100S. THE HOTTEST DAYS  
WILL MOST LIKELY BE SUNDAY AND MONDAY. BE PREPARED FOR THE HEAT IF  
SPENDING TIME OUTDOORS THIS WEEKEND.  
 
LOW STORM CHANCES RETURN SUNDAY NIGHT INTO MONDAY, AND AN ISOLATED  
STORM COULD BECOME STRONG TO SEVERE WITH LARGE HAIL AND DAMAGING  
WINDS. BETTER CHANCES FOR STORMS WILL COME ON MONDAY NIGHT INTO  
TUESDAY.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SD Page
The Nexlab IA Page
The Nexlab MN Page
The Nexlab NE Page
Main Text Page