355
WWUS63 KDMX 131255
WCNDMX

WATCH COUNTY NOTIFICATION FOR WATCHES 580/581
NATIONAL WEATHER SERVICE DES MOINES IA
755 AM CDT THU AUG 13 2026

IAC049-121-131400-
/O.CAN.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 581 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 2 COUNTIES

IN CENTRAL IOWA

DALLAS

IN SOUTH CENTRAL IOWA

MADISON

THIS INCLUDES THE CITIES OF ADEL, EARLHAM, PERRY, WAUKEE,
AND WINTERSET.

$$

IAC001-003-009-029-077-175-131400-
/O.CAN.KDMX.SV.A.0580.000000T0000Z-260813T1300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 580 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 6 COUNTIES

IN SOUTH CENTRAL IOWA

UNION

IN SOUTHWEST IOWA

ADAIR                 ADAMS                 CASS

IN WEST CENTRAL IOWA

AUDUBON               GUTHRIE

THIS INCLUDES THE CITIES OF ADAIR, ATLANTIC, AUDUBON, BAYARD,
CASEY, CORNING, CRESTON, EXIRA, FONTANELLE, GREENFIELD,
GUTHRIE CENTER, PANORA, AND STUART.

$$

IAC039-075-099-117-123-125-127-135-153-157-169-171-179-181-131600-
/O.CON.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/

SEVERE THUNDERSTORM WATCH 581 REMAINS VALID UNTIL 11 AM CDT THIS
MORNING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 14 COUNTIES

IN CENTRAL IOWA

GRUNDY                JASPER                MARSHALL
POLK                  POWESHIEK             STORY
TAMA

IN SOUTH CENTRAL IOWA

CLARKE                LUCAS                 MAHASKA
MARION                MONROE                WARREN

IN SOUTHEAST IOWA

WAPELLO

THIS INCLUDES THE CITIES OF ALBIA, AMES, CARLISLE, CHARITON,
CONRAD, DES MOINES, DIKE, DYSART, GLADBROOK, GRINNELL,
GRUNDY CENTER, INDIANOLA, KNOXVILLE, MARSHALLTOWN, NEWTON,
NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, REINBECK, TAMA,
TOLEDO, TRAER, AND WELLSBURG.

* PRIMARY THREATS INCLUDE...

 SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
   TO 75 MPH POSSIBLE.
 ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE.
 A TORNADO OR TWO POSSIBLE.

$$