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National Weather Service

SPC Severe Thunderstorm Watch 411
Jun 28, 2026 WW 411 SEVERE TSTM IA MN 280950Z - 281400Z
WW 0411 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 411
NWS Storm Prediction Center Norman OK
450 AM CDT Sun Jun 28 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northwest into Northern Iowa
  Southwest into Southern Minnesota

* Effective this Sunday morning from 450 AM until 900 AM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1 inch in diameter possible

SUMMARY...A squall line will move into the Watch area early this
morning and likely move east across the Watch.  Scattered damaging
gusts (60 to 70 mph) are possible with the more intense portions of
the squall line.

The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 45 miles west southwest
of Worthington MN to 10 miles east southeast of Mason City IA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 410...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
27035.

...Smith

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SPC Severe Thunderstorm Watch 411 Status Reports
Jun 28, 2026 WW 0411 Status Updates
WW 0411 Status Image

STATUS REPORT ON WW 411

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 E SUX TO
40 WNW SLB TO 20 W SPW TO 20 NNW SPW TO 25 E OTG TO 30 NE OTG TO
30 WSW RWF.

..JEWELL..06/28/26

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


STATUS REPORT FOR WS 411 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

IAC021-025-033-035-041-059-063-069-079-081-083-091-109-141-143-
147-151-187-189-195-197-281240-

IA 
.    IOWA COUNTIES INCLUDED ARE

BUENA VISTA          CALHOUN             CERRO GORDO         
CHEROKEE             CLAY                DICKINSON           
EMMET                FRANKLIN            HAMILTON            
HANCOCK              HARDIN              HUMBOLDT            
KOSSUTH              O'BRIEN             OSCEOLA             
PALO ALTO            POCAHONTAS          WEBSTER             
WINNEBAGO            WORTH               WRIGHT              


MNC013-033-043-047-063-091-161-165-281240-

MN 
.    MINNESOTA COUNTIES INCLUDED ARE

BLUE EARTH           COTTONWOOD          FARIBAULT           
FREEBORN             JACKSON             MARTIN              
WASECA               WATONWAN            

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SPC Severe Thunderstorm Watch 410 Status Reports
Jun 28, 2026 WW 0410 Status Updates
WW 0410 Status Image

STATUS REPORT ON WW 410

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 ENE ONL
TO 40 WNW YKN TO 25 SSE MHE TO 10 E MHE TO 20 N MHE TO 10 E HON.

..JEWELL..06/28/26

ATTN...WFO...LBF...FSD...ABR...


STATUS REPORT FOR WS 410 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

SDC009-027-061-067-079-083-087-097-099-101-111-125-127-135-
280940-

SD 
.    SOUTH DAKOTA COUNTIES INCLUDED ARE

BON HOMME            CLAY                HANSON              
HUTCHINSON           LAKE                LINCOLN             
MCCOOK               MINER               MINNEHAHA           
MOODY                SANBORN             TURNER              
UNION                YANKTON             


THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.

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