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Home Return to list Tornado Warning 0010 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-05-17 19:27:20
112
WFUS53 KFSD 180026
TORFSD
IAC193-NEC043-180115-
/O.NEW.KFSD.TO.W.0010.260518T0026Z-260518T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
726 PM CDT Sun May 17 2026
The National Weather Service in Sioux Falls has issued a
* Tornado Warning for...
Central Woodbury County in west central Iowa...
Southeastern Dakota County in northeastern Nebraska...
* Until 815 PM CDT.
* At 726 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Salix, or 15 miles south of Sioux City, moving
northeast at 60 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Salix around 730 PM CDT.
Moville around 740 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Anthon, Pierson and Correctionville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4222 9632 4227 9635 4227 9649 4256 9599
4256 9575 4247 9574 4247 9567 4245 9567
TIME...MOT...LOC 0026Z 235DEG 50KT 4228 9636
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Continued Issued At: 2026-05-17 19:36:20
520
WWUS53 KFSD 180035
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
735 PM CDT Sun May 17 2026
NEC043-180045-
/O.CAN.KFSD.TO.W.0010.000000T0000Z-260518T0115Z/
Dakota NE-
735 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR SOUTHEASTERN DAKOTA COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for west central
Iowa...and northeastern Nebraska.
&&
LAT...LON 4225 9634 4226 9633 4227 9636 4233 9638
4256 9599 4256 9575 4247 9574 4247 9567
4245 9567 4222 9632
TIME...MOT...LOC 0035Z 234DEG 47KT 4234 9624
$$
IAC193-180115-
/O.CON.KFSD.TO.W.0010.000000T0000Z-260518T0115Z/
Woodbury IA-
735 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
WOODBURY COUNTY...
At 735 PM CDT, a confirmed tornado was located near Salix, or 13
miles southeast of Sioux City, moving northeast at 55 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Emergency management confirmed tornado. At 731 PM, a
tornado was reported in Salix.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Moville around 740 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Pierson and Correctionville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4225 9634 4226 9633 4227 9636 4233 9638
4256 9599 4256 9575 4247 9574 4247 9567
4245 9567 4222 9632
TIME...MOT...LOC 0035Z 234DEG 47KT 4234 9624
TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Cancelled Issued At: 2026-05-17 19:36:20
520
WWUS53 KFSD 180035
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
735 PM CDT Sun May 17 2026
NEC043-180045-
/O.CAN.KFSD.TO.W.0010.000000T0000Z-260518T0115Z/
Dakota NE-
735 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR SOUTHEASTERN DAKOTA COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for west central
Iowa...and northeastern Nebraska.
&&
LAT...LON 4225 9634 4226 9633 4227 9636 4233 9638
4256 9599 4256 9575 4247 9574 4247 9567
4245 9567 4222 9632
TIME...MOT...LOC 0035Z 234DEG 47KT 4234 9624
$$
IAC193-180115-
/O.CON.KFSD.TO.W.0010.000000T0000Z-260518T0115Z/
Woodbury IA-
735 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
WOODBURY COUNTY...
At 735 PM CDT, a confirmed tornado was located near Salix, or 13
miles southeast of Sioux City, moving northeast at 55 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Emergency management confirmed tornado. At 731 PM, a
tornado was reported in Salix.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Moville around 740 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Pierson and Correctionville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4225 9634 4226 9633 4227 9636 4233 9638
4256 9599 4256 9575 4247 9574 4247 9567
4245 9567 4222 9632
TIME...MOT...LOC 0035Z 234DEG 47KT 4234 9624
TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Continued Issued At: 2026-05-17 19:53:36
036
WWUS53 KFSD 180053
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
753 PM CDT Sun May 17 2026
IAC193-180115-
/O.CON.KFSD.TO.W.0010.000000T0000Z-260518T0115Z/
Woodbury IA-
753 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
NORTHEASTERN WOODBURY COUNTY...
At 751 PM CDT, a confirmed tornado was located over Moville, or 17
miles east of Sioux City, moving northeast at 45 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Emergency management confirmed tornado. At 731 PM, a
tornado was reported in Salix.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Pierson around 755 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4240 9626 4256 9598 4256 9575 4248 9574
4247 9573 4238 9596
TIME...MOT...LOC 0051Z 216DEG 40KT 4248 9604
TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Continued Issued At: 2026-05-17 20:02:07
374
WWUS53 KFSD 180101
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
801 PM CDT Sun May 17 2026
IAC193-180115-
/O.CON.KFSD.TO.W.0010.000000T0000Z-260518T0115Z/
Woodbury IA-
801 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
NORTHEASTERN WOODBURY COUNTY...
At 801 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Pierson, or 20 miles southwest of Cherokee, moving northeast at 60
mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Woodbury County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4256 9598 4256 9575 4251 9574 4244 9603
4250 9609
TIME...MOT...LOC 0101Z 235DEG 50KT 4256 9588
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Expired Issued At: 2026-05-17 20:15:07
887
WWUS53 KFSD 180115
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
815 PM CDT Sun May 17 2026
IAC193-180124-
/O.EXP.KFSD.TO.W.0010.000000T0000Z-260518T0115Z/
Woodbury IA-
815 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR NORTHEASTERN WOODBURY COUNTY WILL EXPIRE
AT 815 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1000 PM CDT for west central
Iowa.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Sioux Falls.
&&
LAT...LON 4256 9598 4256 9575 4251 9574 4244 9603
4250 9609
TIME...MOT...LOC 0114Z 235DEG 50KT 4265 9571
$$
BP
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