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Home Return to list Severe Thunderstorm Warning 0221 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-08-11 00:49:55
219
WUUS53 KFSD 110549
SVRFSD
SDC067-125-135-110630-
/O.NEW.KFSD.SV.W.0221.260811T0549Z-260811T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
1249 AM CDT Tue Aug 11 2026
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Northeastern Yankton County in southeastern South Dakota...
Southwestern Turner County in southeastern South Dakota...
Southeastern Hutchinson County in southeastern South Dakota...
* Until 130 AM CDT.
* At 1249 AM CDT, a severe thunderstorm was located 7 miles southeast
of Menno, or 19 miles north of Yankton, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Mayfield around 1255 AM CDT.
Irene around 105 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4313 9757 4319 9757 4326 9716 4306 9716
4302 9717 4301 9717
TIME...MOT...LOC 0549Z 270DEG 30KT 4315 9750
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AP
Action: Cancelled Issued At: 2026-08-11 01:12:13
809
WWUS53 KFSD 110611
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
111 AM CDT Tue Aug 11 2026
SDC067-110621-
/O.CAN.KFSD.SV.W.0221.000000T0000Z-260811T0630Z/
Hutchinson SD-
111 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUTCHINSON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4312 9752 4317 9750 4317 9740 4320 9739
4324 9716 4306 9716 4301 9717
TIME...MOT...LOC 0611Z 270DEG 30KT 4315 9725
$$
SDC125-135-110630-
/O.CON.KFSD.SV.W.0221.000000T0000Z-260811T0630Z/
Yankton SD-Turner SD-
111 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR NORTHEASTERN YANKTON AND SOUTHWESTERN TURNER COUNTIES...
At 111 AM CDT, a severe thunderstorm was located near Mayfield, or 17
miles south of Parker, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Irene.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4312 9752 4317 9750 4317 9740 4320 9739
4324 9716 4306 9716 4301 9717
TIME...MOT...LOC 0611Z 270DEG 30KT 4315 9725
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AP
Action: Continued Issued At: 2026-08-11 01:12:13
809
WWUS53 KFSD 110611
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
111 AM CDT Tue Aug 11 2026
SDC067-110621-
/O.CAN.KFSD.SV.W.0221.000000T0000Z-260811T0630Z/
Hutchinson SD-
111 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUTCHINSON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4312 9752 4317 9750 4317 9740 4320 9739
4324 9716 4306 9716 4301 9717
TIME...MOT...LOC 0611Z 270DEG 30KT 4315 9725
$$
SDC125-135-110630-
/O.CON.KFSD.SV.W.0221.000000T0000Z-260811T0630Z/
Yankton SD-Turner SD-
111 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR NORTHEASTERN YANKTON AND SOUTHWESTERN TURNER COUNTIES...
At 111 AM CDT, a severe thunderstorm was located near Mayfield, or 17
miles south of Parker, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Irene.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4312 9752 4317 9750 4317 9740 4320 9739
4324 9716 4306 9716 4301 9717
TIME...MOT...LOC 0611Z 270DEG 30KT 4315 9725
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AP
Action: Expired Issued At: 2026-08-11 01:29:14
543
WWUS53 KFSD 110629
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
129 AM CDT Tue Aug 11 2026
SDC125-135-110638-
/O.EXP.KFSD.SV.W.0221.000000T0000Z-260811T0630Z/
Yankton SD-Turner SD-
129 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN YANKTON AND
SOUTHWESTERN TURNER COUNTIES WILL EXPIRE AT 130 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
Remember, a Severe Thunderstorm Warning still remains in effect for
Turner county until 2:00 am CDT.
&&
LAT...LON 4312 9752 4317 9750 4317 9740 4320 9739
4324 9716 4306 9716 4301 9717
TIME...MOT...LOC 0628Z 270DEG 30KT 4315 9707
$$
AP
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