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Home Return to list Tornado Warning 0014 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-05-17 20:26:38
064
WFUS53 KFSD 180126
TORFSD
IAC021-035-041-141-180215-
/O.NEW.KFSD.TO.W.0014.260518T0126Z-260518T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
826 PM CDT Sun May 17 2026
The National Weather Service in Sioux Falls has issued a
* Tornado Warning for...
Northeastern Cherokee County in northwestern Iowa...
Northwestern Buena Vista County in northwestern Iowa...
Southwestern Clay County in northwestern Iowa...
Southeastern OBrien County in northwestern Iowa...
* Until 915 PM CDT.
* At 826 PM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located near
Cleghorn, or 7 miles northwest of Cherokee, moving northeast at 40
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.
* These dangerous storms will be near...
Sutherland and Larrabee around 830 PM CDT.
Peterson around 840 PM CDT.
Linn Grove around 845 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Sioux Rapids.
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 4281 9564 4291 9574 4313 9539 4288 9506
TIME...MOT...LOC 0126Z 242DEG 36KT 4283 9564
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Cancelled Issued At: 2026-05-17 20:44:53
665
WWUS53 KFSD 180144
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
844 PM CDT Sun May 17 2026
IAC021-035-141-180154-
/O.CAN.KFSD.TO.W.0014.000000T0000Z-260518T0215Z/
Cherokee IA-Buena Vista IA-OBrien IA-
844 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR NORTHEASTERN CHEROKEE...NORTHWESTERN BUENA
VISTA AND SOUTHEASTERN OBRIEN COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
Iowa.
&&
LAT...LON 4291 9510 4291 9539 4313 9539
TIME...MOT...LOC 0144Z 258DEG 54KT 4298 9526
$$
IAC041-180215-
/O.CON.KFSD.TO.W.0014.000000T0000Z-260518T0215Z/
Clay IA-
844 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHWESTERN CLAY COUNTY...
At 844 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Royal, or 12 miles southwest of Spencer In Clay County, moving east
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
southwestern Clay 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 4291 9510 4291 9539 4313 9539
TIME...MOT...LOC 0144Z 258DEG 54KT 4298 9526
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Continued Issued At: 2026-05-17 20:44:53
665
WWUS53 KFSD 180144
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
844 PM CDT Sun May 17 2026
IAC021-035-141-180154-
/O.CAN.KFSD.TO.W.0014.000000T0000Z-260518T0215Z/
Cherokee IA-Buena Vista IA-OBrien IA-
844 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR NORTHEASTERN CHEROKEE...NORTHWESTERN BUENA
VISTA AND SOUTHEASTERN OBRIEN COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
Iowa.
&&
LAT...LON 4291 9510 4291 9539 4313 9539
TIME...MOT...LOC 0144Z 258DEG 54KT 4298 9526
$$
IAC041-180215-
/O.CON.KFSD.TO.W.0014.000000T0000Z-260518T0215Z/
Clay IA-
844 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHWESTERN CLAY COUNTY...
At 844 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Royal, or 12 miles southwest of Spencer In Clay County, moving east
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
southwestern Clay 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 4291 9510 4291 9539 4313 9539
TIME...MOT...LOC 0144Z 258DEG 54KT 4298 9526
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
BP
Action: Cancelled Issued At: 2026-05-17 20:55:09 843 WWUS53 KFSD 180154 SVSFSD Severe Weather Statement National Weather Service Sioux Falls SD 854 PM CDT Sun May 17 2026 IAC041-180204- /O.CAN.KFSD.TO.W.0014.000000T0000Z-260518T0215Z/ Clay IA- 854 PM CDT Sun May 17 2026 ...THE TORNADO WARNING FOR SOUTHWESTERN CLAY COUNTY IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 1000 PM CDT for northwestern Iowa. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Sioux Falls. && LAT...LON 4291 9510 4291 9539 4313 9539 TIME...MOT...LOC 0151Z 242DEG 36KT 4303 9513 $$ BP | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||