462
WWUS73 KDMX 280557
NPWDMX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1257 AM CDT SUN JUN 28 2026
IAZ006-007-016-017-026>028-038-039-281600-
/O.UPG.KDMX.XH.A.0001.260628T1800Z-260701T0200Z/
/O.EXB.KDMX.XH.W.0001.260629T1700Z-260701T0200Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-FRANKLIN-BUTLER-BREMER-GRUNDY-
BLACK HAWK-
INCLUDING THE CITIES OF CEDAR FALLS, BRITT, GARNER, NORTHWOOD,
MANLY, DIKE, FOREST CITY, WAVERLY, LAKE MILLS, GRUNDY CENTER,
REINBECK, CLARKSVILLE, KANAWHA, MASON CITY, ALLISON, GREENE,
WATERLOO, WELLSBURG, APLINGTON, CONRAD, DUMONT, PARKERSBURG,
HAMPTON, SHELL ROCK, AND CLEAR LAKE
1257 AM CDT SUN JUN 28 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON MONDAY TO 9 PM CDT
TUESDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES ABOVE 100
EXPECTED.
* WHERE...NORTHERN AND NORTHEASTERN IOWA.
* WHEN...FROM NOON MONDAY TO 9 PM CDT TUESDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...EXTREME HEAT WILL PERSIST THROUGH MUCH OF
NEXT WEEK, POTENTIALLY INCLUDING THE 4TH OF JULY WEEKEND.
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.
IAZ004-005-015-023>025-033>037-044>050-057>062-070>075-081>086-
092>097-281600-
/O.CON.KDMX.XH.W.0001.260628T1800Z-260701T0200Z/
EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-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 IOWA FALLS, KNOXVILLE, MARSHALLTOWN, FORT
DODGE, MOUNT AYR, BEDFORD, AMES, DES MOINES, GILMORE CITY, BOONE,
CLARION, CRESTON, CHARITON, NEWTON, LEON, ESTHERVILLE, POMEROY,
FONDA, POCAHONTAS, PELLA, WEBSTER CITY, ELDORA, HUMBOLDT, WAUKEE,
LENOX, HUMESTON, ROLFE, OSKALOOSA, EARLY, ROCKWELL CITY,
JEFFERSON, ADEL, ATLANTIC, FONTANELLE, LAKE VIEW, EARLHAM, ALBIA,
PERRY, GLADBROOK, NORWALK, WINTERSET, STUART, CARLISLE, WALL
LAKE, MANSON, GRINNELL, GREENFIELD, LAMONI, AUDUBON, SCHALLER,
ALGONA, TOLEDO, LAURENS, ADAIR, SEYMOUR, EAGLE GROVE, DYSART,
ALLERTON, BELMOND, EMMETSBURG, NEW MARKET, GUTHRIE CENTER,
INDIANOLA, CENTERVILLE, ODEBOLT, CORNING, DENISON, PANORA,
CORYDON, OTTUMWA, LAKE CITY, CARROLL, BLOOMFIELD, TAMA, TRAER,
BAYARD, ACKLEY, SAC CITY, OSCEOLA, CASEY, AND EXIRA
1257 AM CDT SUN JUN 28 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON
TO 9 PM CDT TUESDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES ABOVE 100
EXPECTED.
* WHERE...MUCH OF IOWA.
* WHEN...FROM 1 PM THIS AFTERNOON TO 9 PM CDT TUESDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...EXTREME HEAT WILL PERSIST THROUGH MUCH OF
NEXT WEEK, POTENTIALLY INCLUDING THE 4TH OF JULY WEEKEND.
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.
67
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