740
WWUS73 KDMX 011300
NPWDMX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
800 AM CDT TUE SEP 1 2026
IAZ027-028-038-039-049-050-011400-
/O.EXP.KDMX.FG.Y.0010.000000T0000Z-260901T1300Z/
BUTLER-BREMER-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF TRAER, PARKERSBURG, REINBECK, CLARKSVILLE,
CEDAR FALLS, CONRAD, GREENE, WATERLOO, DIKE, ALLISON, GRUNDY CENTER,
WAVERLY, WELLSBURG, APLINGTON, DUMONT, MARSHALLTOWN, GLADBROOK, TAMA,
TOLEDO, DYSART, AND SHELL ROCK
800 AM CDT TUE SEP 1 2026
..DENSE FOG ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING
VISIBILITY ACROSS CENTRAL IOWA IS IMPROVING TO A MILE OR MORE IN
MOST AREAS SO THE DENSE FOG ADVISORY WILL BE ALLOWED TO EXPIRE.
IAZ059>062-072>075-082>086-093>097-012300-
/O.CON.KDMX.HT.Y.0006.000000T0000Z-260903T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF ALBIA, WAUKEE, SEYMOUR, LEON, GRINNELL,
OTTUMWA, ALLERTON, INDIANOLA, NEWTON, ADEL, OSKALOOSA, PELLA, PERRY,
NORWALK, CENTERVILLE, MOUNT AYR, KNOXVILLE, HUMESTON, WINTERSET,
BLOOMFIELD, LAMONI, DES MOINES, CORYDON, EARLHAM, OSCEOLA, CHARITON,
CRESTON, AND CARLISLE
800 AM CDT TUE SEP 1 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT WEDNESDAY
* WHAT...HEAT INDEX VALUES UP TO 100-103 DEGREES.
* WHERE...PORTIONS OF CENTRAL AND SOUTH CENTRAL IOWA, INCLUDING THE
DES MOINES METRO.
* WHEN...UNTIL 7 PM CDT WEDNESDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
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.
TDR
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