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Severe Thunderstorm Watch — Buena Vista County, IA, Cerro Gordo County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Hancock County, IA, Humboldt County, IA, Ida County, IA, Kossuth County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Sioux County, IA, Winnebago County, IA, Woodbury County, IA, Worth County, IA, Blue Earth County, MN, Brown County, MN, Cottonwood County, MN, Faribault County, MN, Freeborn County, MN, Jackson County, MN, Martin County, MN, Nobles County, MN, Redwood County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN, Dakota County, NE, Dixon County, NE, Union County, SD
Issued
—
Expires
5:00 a. m. CDT · mié., sept. 2 2026
Issuing Office
NWS KWNS

Affected Areas

Buena Vista County, IA Cerro Gordo County, IA Cherokee County, IA Clay County, IA Dickinson County, IA Emmet County, IA Hancock County, IA Humboldt County, IA Ida County, IA Kossuth County, IA Lyon County, IA O'Brien County, IA Osceola County, IA Palo Alto County, IA Plymouth County, IA Pocahontas County, IA Sioux County, IA Winnebago County, IA Woodbury County, IA Worth County, IA Blue Earth County, MN Brown County, MN Cottonwood County, MN Faribault County, MN Freeborn County, MN Jackson County, MN Martin County, MN Nobles County, MN Redwood County, MN Steele County, MN Waseca County, MN Watonwan County, MN Dakota County, NE Dixon County, NE Union County, SD

Official Bulletin

682
WOUS64 KWNS 020543
WOU0

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 640
NWS STORM PREDICTION CENTER NORMAN OK
1243 AM CDT WED SEP 02 2026

SEVERE THUNDERSTORM WATCH 640 REMAINS IN EFFECT UNTIL 500 AM CDT
FOR THE FOLLOWING LOCATIONS

IAC021-033-035-041-059-063-081-091-093-109-119-141-143-147-149-151-167-189-193-195-021000-
/O.CON.KWNS.SV.A.0640.000000T0000Z-260902T1000Z/

IA
.    IOWA COUNTIES INCLUDED ARE

BUENA VISTA          CERRO GORDO         CHEROKEE
CLAY                 DICKINSON           EMMET
HANCOCK              HUMBOLDT            IDA
KOSSUTH              LYON                O'BRIEN
OSCEOLA              PALO ALTO           PLYMOUTH
POCAHONTAS           SIOUX               WINNEBAGO
WOODBURY             WORTH
$$

MNC013-015-033-043-047-063-091-105-127-147-161-165-021000-
/O.CON.KWNS.SV.A.0640.000000T0000Z-260902T1000Z/

MN
.    MINNESOTA COUNTIES INCLUDED ARE

BLUE EARTH           BROWN               COTTONWOOD
FARIBAULT            FREEBORN            JACKSON
MARTIN               NOBLES              REDWOOD
STEELE               WASECA              WATONWAN
$$

NEC043-051-021000-
/O.CON.KWNS.SV.A.0640.000000T0000Z-260902T1000Z/

NE
.    NEBRASKA COUNTIES INCLUDED ARE

DAKOTA               DIXON
$$

SDC127-021000-
/O.CON.KWNS.SV.A.0640.000000T0000Z-260902T1000Z/

SD
.    SOUTH DAKOTA COUNTIES INCLUDED ARE

UNION
$$

ATTN...WFO...FSD...DMX...MPX...