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Home Return to list Severe Thunderstorm Warning 0226 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-08-12 04:17:04
847
WUUS53 KFSD 120916
SVRFSD
IAC149-193-NEC043-051-SDC127-121015-
/O.NEW.KFSD.SV.W.0226.260812T0916Z-260812T1015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
416 AM CDT Wed Aug 12 2026
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Western Woodbury County in west central Iowa...
Southwestern Plymouth County in northwestern Iowa...
Dakota County in northeastern Nebraska...
Dixon County in northeastern Nebraska...
Southern Union County in southeastern South Dakota...
* Until 515 AM CDT.
* At 416 AM CDT, severe thunderstorms were located along a line
extending from near Maskell to near Dixon In Dixon County to near
Wayne, moving east at 45 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.
* Severe thunderstorms will be near...
Allen, Newcastle, Concord, Martinsburg, Dixon In Dixon County, and
Maskell around 420 AM CDT.
Ponca and Ponca State Park around 430 AM CDT.
Elk Point and Emerson around 435 AM CDT.
Other locations in the path of these severe thunderstorms include
Jefferson, Hubbard, Jackson In Dakota County, Sioux City, North Sioux
City, South Sioux City, Dakota City, Homer, Sergeant Bluff and
Hinton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sioux Falls.
&&
LAT...LON 4222 9632 4227 9635 4227 9702 4270 9701
4270 9621 4239 9616 4222 9617
TIME...MOT...LOC 0916Z 266DEG 38KT 4266 9704 4247 9699 4229 9705
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
IG
Action: Continued Issued At: 2026-08-12 04:38:50
296
WWUS53 KFSD 120938
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
438 AM CDT Wed Aug 12 2026
IAC149-193-NEC043-051-SDC127-121015-
/O.CON.KFSD.SV.W.0226.000000T0000Z-260812T1015Z/
Woodbury IA-Plymouth IA-Dakota NE-Dixon NE-Union SD-
438 AM CDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 AM CDT
FOR WESTERN WOODBURY...SOUTH CENTRAL PLYMOUTH...DAKOTA...DIXON AND
SOUTHEASTERN UNION COUNTIES...
At 438 AM CDT, severe thunderstorms were located along a line
extending from near Elk Point to near Ponca to near Emerson, moving
east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Sioux City, North Sioux City, Jefferson, Hubbard, Jackson In
Dakota County, South Sioux City, Homer, Dakota City, Sergeant
Bluff, Salix and Lawton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Sioux Falls.
&&
LAT...LON 4222 9632 4227 9635 4227 9702 4262 9701
4260 9619 4239 9616 4222 9617
TIME...MOT...LOC 0938Z 266DEG 38KT 4267 9677 4248 9672 4230 9678
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
IG
Action: Cancelled Issued At: 2026-08-12 04:53:35
702
WWUS53 KFSD 120953
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
453 AM CDT Wed Aug 12 2026
IAC149-193-NEC043-051-SDC127-121002-
/O.CAN.KFSD.SV.W.0226.000000T0000Z-260812T1015Z/
Woodbury IA-Plymouth IA-Dakota NE-Dixon NE-Union SD-
453 AM CDT Wed Aug 12 2026
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WOODBURY...SOUTH
CENTRAL PLYMOUTH...DAKOTA...DIXON AND SOUTHEASTERN UNION COUNTIES IS
CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. However, gusty winds and
heavy rain are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 AM CDT for
northwestern and west central Iowa...northeastern Nebraska...and
southeastern South Dakota.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Sioux Falls.
&&
LAT...LON 4222 9632 4227 9635 4227 9702 4262 9701
4260 9619 4239 9616 4222 9617
TIME...MOT...LOC 0952Z 266DEG 38KT 4268 9657 4249 9652 4231 9658
$$
IG
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