145  
WWUS63 KDMX 240202  
WCNDMX  
 
WATCH COUNTY NOTIFICATION FOR WATCH 138  
NATIONAL WEATHER SERVICE DES MOINES IA  
902 PM CDT THU APR 23 2026  
 
IAC001-003-015-033-049-069-079-083-121-159-169-173-175-195-240315-  
/O.CAN.KDMX.SV.A.0138.000000T0000Z-260424T0500Z/  
 
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM  
WATCH 138 FOR THE FOLLOWING AREAS  
 
IN IOWA THIS CANCELS 14 COUNTIES  
 
IN CENTRAL IOWA  
 
BOONE DALLAS HAMILTON  
HARDIN STORY  
 
IN NORTH CENTRAL IOWA  
 
CERRO GORDO FRANKLIN WORTH  
 
IN SOUTH CENTRAL IOWA  
 
MADISON RINGGOLD UNION  
 
IN SOUTHWEST IOWA  
 
ADAIR ADAMS TAYLOR  
 
THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, AMES, BEDFORD,  
BOONE, CLEAR LAKE, CORNING, CRESTON, EARLHAM, ELDORA, FONTANELLE,  
GREENFIELD, HAMPTON, IOWA FALLS, LENOX, MANLY, MASON CITY,  
MOUNT AYR, NEW MARKET, NORTHWOOD, PERRY, STUART, WAUKEE,  
WEBSTER CITY, AND WINTERSET.  
 
 
 
IAC007-013-017-023-039-053-075-099-117-123-125-127-135-153-157-  
171-181-185-240500-  
/O.CON.KDMX.SV.A.0138.000000T0000Z-260424T0500Z/  
 
SEVERE THUNDERSTORM WATCH 138 REMAINS VALID UNTIL MIDNIGHT CDT  
TONIGHT FOR THE FOLLOWING AREAS  
 
IN IOWA THIS WATCH INCLUDES 18 COUNTIES  
 
IN CENTRAL IOWA  
 
GRUNDY JASPER MARSHALL  
POLK POWESHIEK TAMA  
 
IN NORTH CENTRAL IOWA  
 
BUTLER  
 
IN NORTHEAST IOWA  
 
BLACK HAWK BREMER  
 
IN SOUTH CENTRAL IOWA  
 
APPANOOSE CLARKE DECATUR  
LUCAS MAHASKA MARION  
MONROE WARREN WAYNE  
 
THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, ALLISON, APLINGTON,  
CARLISLE, CEDAR FALLS, CENTERVILLE, CHARITON, CLARKSVILLE,  
CONRAD, CORYDON, DES MOINES, DIKE, DUMONT, DYSART, GLADBROOK,  
GREENE, GRINNELL, GRUNDY CENTER, HUMESTON, INDIANOLA, KNOXVILLE,  
LAMONI, LEON, MARSHALLTOWN, NEWTON, NORWALK, OSCEOLA, OSKALOOSA,  
PARKERSBURG, PELLA, REINBECK, SEYMOUR, SHELL ROCK, TAMA, TOLEDO,  
TRAER, WATERLOO, WAVERLY, AND WELLSBURG.  
 
* PRIMARY THREATS INCLUDE...  
 
SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY.  
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2  
INCHES IN DIAMETER POSSIBLE.  
A TORNADO OR TWO POSSIBLE.  
 
 
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