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Monday, Aug 10, 2026 02:28:52

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Severe Thunderstorm Watch 0545
Issued by the Sioux Falls Forecast Office

Action Issued Starts Expiration
New 2026-08-08 23:59:25 2026-08-08 23:58:00 2026-08-09 07:00:00
Continued 2026-08-09 00:05:10 2026-08-09 07:00:00
Cancelled 2026-08-09 05:07:36 2026-08-09 07:00:00


Action: New
Issued At: 2026-08-08 23:59:25

799 
WWUS63 KFSD 090458
WCNFSD

WATCH COUNTY NOTIFICATION FOR WATCH 545
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1158 PM CDT SAT AUG 8 2026

SDC005-011-077-091200-
/O.NEW.KFSD.SV.A.0545.260809T0458Z-260809T1200Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
545 IN EFFECT UNTIL 7 AM CDT SUNDAY FOR THE FOLLOWING AREAS

IN SOUTH DAKOTA THIS WATCH INCLUDES 3 COUNTIES

IN EAST CENTRAL SOUTH DAKOTA

BEADLE                BROOKINGS             KINGSBURY            

THIS INCLUDES THE CITIES OF ARLINGTON, BROOKINGS, DE SMET, HURON,
AND LAKE PRESTON.

$$


Action: Continued
Issued At: 2026-08-09 00:05:10

905 
WWUS63 KFSD 090504
WCNFSD

WATCH COUNTY NOTIFICATION FOR WATCH 545
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1204 AM CDT SUN AUG 9 2026

SDC005-011-077-091200-
/O.CON.KFSD.SV.A.0545.000000T0000Z-260809T1200Z/

SEVERE THUNDERSTORM WATCH 545 REMAINS VALID UNTIL 7 AM CDT THIS
MORNING FOR THE FOLLOWING AREAS

IN SOUTH DAKOTA THIS WATCH INCLUDES 3 COUNTIES

IN EAST CENTRAL SOUTH DAKOTA

BEADLE                BROOKINGS             KINGSBURY            

THIS INCLUDES THE CITIES OF ARLINGTON, BROOKINGS, DE SMET, HURON,
AND LAKE PRESTON.

$$


Action: Cancelled
Issued At: 2026-08-09 05:07:36

477 
WWUS63 KFSD 091007
WCNFSD

WATCH COUNTY NOTIFICATION FOR WATCH 545
NATIONAL WEATHER SERVICE SIOUX FALLS SD
507 AM CDT SUN AUG 9 2026

SDC005-011-077-091115-
/O.CAN.KFSD.SV.A.0545.000000T0000Z-260809T1200Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 545 FOR THE FOLLOWING AREAS

IN SOUTH DAKOTA THIS CANCELS 3 COUNTIES

IN EAST CENTRAL SOUTH DAKOTA

BEADLE                BROOKINGS             KINGSBURY            

THIS INCLUDES THE CITIES OF ARLINGTON, BROOKINGS, DE SMET, HURON,
AND LAKE PRESTON.

$$



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