969 
WFUS53 KFSD 180047
TORFSD
IAC035-149-193-180130-
/O.NEW.KFSD.TO.W.0013.260518T0047Z-260518T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
747 PM CDT Sun May 17 2026

The National Weather Service in Sioux Falls has issued a

* Tornado Warning for...
  Southwestern Cherokee County in northwestern Iowa...
  Northeastern Woodbury County in west central Iowa...
  Southeastern Plymouth County in northwestern Iowa...

* Until 830 PM CDT.

* At 747 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Lawton, or 12 miles east of Sioux City, 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...
  Moville and Kingsley around 755 PM CDT.
  Pierson around 800 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Washta.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4242 9622 4253 9626 4276 9576 4256 9566
      4256 9574 4252 9575
TIME...MOT...LOC 0047Z 244DEG 35KT 4248 9616 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BP

293 
WWUS53 KFSD 180059
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
759 PM CDT Sun May 17 2026

IAC035-149-193-180130-
/O.CON.KFSD.TO.W.0013.000000T0000Z-260518T0130Z/
Cherokee IA-Woodbury IA-Plymouth IA-
759 PM CDT Sun May 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN CHEROKEE...NORTHEASTERN WOODBURY AND SOUTHEASTERN
PLYMOUTH COUNTIES...

At 759 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Moville, or 19 miles southeast of Le Mars, 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...
  Kingsley and Pierson around 805 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Washta.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4246 9604 4257 9618 4276 9576 4256 9566
      4256 9574 4252 9575
TIME...MOT...LOC 0059Z 244DEG 35KT 4253 9602 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BP

517 
WWUS53 KFSD 180107
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
807 PM CDT Sun May 17 2026

IAC035-149-193-180130-
/O.CON.KFSD.TO.W.0013.000000T0000Z-260518T0130Z/
Cherokee IA-Woodbury IA-Plymouth IA-
807 PM CDT Sun May 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN CHEROKEE...NORTHEASTERN WOODBURY AND SOUTHEASTERN
PLYMOUTH COUNTIES...

At 807 PM CDT, a confirmed tornado was located over Kingsley, or 19
miles southeast of Le Mars, moving northeast at 40 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Emergency management confirmed tornado. At 757 PM CDT, the 
         local fire department reported a tornado 5 miles northwest 
         of Kingsley.

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 and Washta around 810 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.

&&

LAT...LON 4250 9597 4259 9613 4276 9576 4256 9566
      4256 9574 4252 9575
TIME...MOT...LOC 0107Z 244DEG 35KT 4256 9593 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

BP

017 
WWUS53 KFSD 180124
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
824 PM CDT Sun May 17 2026

IAC035-149-193-180134-
/O.EXP.KFSD.TO.W.0013.000000T0000Z-260518T0130Z/
Cherokee IA-Woodbury IA-Plymouth IA-
824 PM CDT Sun May 17 2026

...THE TORNADO WARNING FOR SOUTHWESTERN CHEROKEE...NORTHEASTERN
WOODBURY AND SOUTHEASTERN PLYMOUTH COUNTIES WILL EXPIRE AT 830 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 northwestern
and west central Iowa.

&&

LAT...LON 4250 9597 4259 9613 4276 9576 4256 9566
      4256 9574 4252 9575
TIME...MOT...LOC 0124Z 244DEG 35KT 4262 9575 

$$

BP