690  
WWUS73 KDMX 041806  
NPWDMX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DES MOINES IA  
106 PM CDT FRI SEP 4 2026  
 
IAZ033>039-044>050-057>062-070>075-081>086-092>097-050415-  
/O.CON.KDMX.HT.Y.0006.000000T0000Z-260906T0000Z/  
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-  
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-  
JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-  
UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-  
APPANOOSE-DAVIS-  
INCLUDING THE CITIES OF TRAER, NORWALK, FORT DODGE, GREENFIELD,  
ELDORA, CARLISLE, WINTERSET, INDIANOLA, WELLSBURG, BLOOMFIELD,  
MANSON, ATLANTIC, SCHALLER, TAMA, HUMESTON, POMEROY, MARSHALLTOWN,  
ADEL, CRESTON, FONTANELLE, CORYDON, BOONE, LAKE VIEW, KNOXVILLE,  
CARROLL, STUART, WAUKEE, PERRY, ALLERTON, LENOX, REINBECK, TOLEDO,  
CHARITON, BEDFORD, NEW MARKET, LEON, CASEY, OSKALOOSA, ODEBOLT, WALL  
LAKE, ROCKWELL CITY, CEDAR FALLS, PELLA, LAMONI, SEYMOUR, AMES,  
DENISON, DYSART, NEWTON, CORNING, ALBIA, JEFFERSON, EXIRA, CONRAD,  
LAKE CITY, BAYARD, MOUNT AYR, WEBSTER CITY, GUTHRIE CENTER, GRUNDY  
CENTER, ADAIR, CENTERVILLE, EARLY, ACKLEY, AUDUBON, WATERLOO, SAC  
CITY, EARLHAM, GLADBROOK, DIKE, DES MOINES, GRINNELL, IOWA FALLS,  
OTTUMWA, PANORA, AND OSCEOLA  
106 PM CDT FRI SEP 4 2026  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY
 
 
* WHAT...HEAT INDEX VALUES UP TO 105.  
 
* WHERE...PORTIONS OF CENTRAL AND SOUTHERN IOWA.  
 
* WHEN...UNTIL 7 PM CDT SATURDAY.  
 
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT  
ILLNESSES.  
 
* ADDITIONAL DETAILS...WHILE HEAT INDEX VALUES MAY NOT REACH 105  
DEGREES EACH DAY, THE COMBINATION OF THE LONGEVITY OF THE HEAT AND  
LITTLE OR LIMITED RELIEF DURING THE OVERNIGHT PERIODS WITH WARM  
LOWS HAVE PROMPTED THE MULTI-DAY HEAT ADVISORY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND  
HEAT STROKE.  
 

 
 

 
 
HAGENHOFF  
 
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