414 
WUUS53 KFSD 180032
SVRFSD
IAC035-093-149-193-NEC043-SDC127-180130-
/O.NEW.KFSD.SV.W.0049.260518T0032Z-260518T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
732 PM CDT Sun May 17 2026

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for...
  Cherokee County in northwestern Iowa...
  Woodbury County in west central Iowa...
  Eastern Plymouth County in northwestern Iowa...
  Ida County in west central Iowa...
  Dakota County in northeastern Nebraska...
  Southeastern Union County in southeastern South Dakota...

* Until 830 PM CDT.

* At 732 PM CDT, severe thunderstorms were located along a line
  extending from near Sioux City to Salix to near Macy, moving
  northeast at 60 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Severe thunderstorms will be near...
  Moville, Sloan, Hinton, Lawton, and Hornick around 740 PM CDT.
  Kingsley, Anthon, and Smithland around 750 PM CDT.

Other locations in the path of these severe thunderstorms include
Remsen, Correctionville, Pierson, Marcus, Washta, Quimby, Cleghorn,
Cushing, Cherokee, Holstein and Aurelia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

A Tornado Watch remains in effect until 1000 PM CDT for northwestern
and west central Iowa...northeastern Nebraska...and southeastern
South Dakota.

&&

LAT...LON 4222 9632 4227 9635 4228 9671 4248 9672
      4291 9597 4291 9587 4278 9540 4221 9543
TIME...MOT...LOC 0032Z 232DEG 51KT 4254 9636 4231 9626 4211 9627 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

BP

607 
WWUS53 KFSD 180040
SVSFSD

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

IAC035-093-149-193-NEC043-SDC127-180130-
/O.CON.KFSD.SV.W.0049.000000T0000Z-260518T0130Z/
Cherokee IA-Woodbury IA-Plymouth IA-Ida IA-Dakota NE-Union SD-
740 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR CHEROKEE...WOODBURY...EASTERN PLYMOUTH...IDA...EASTERN DAKOTA AND
SOUTHEASTERN UNION COUNTIES...

At 739 PM CDT, severe thunderstorms were located along a line
extending from near Sioux City to 7 miles northeast of Salix to near
Whiting, moving northeast at 60 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Mesonet. At 731 PM CDT, a personal weather station near 
         Salix, IA reported a 69 mph wind gust.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

These severe storms will be near...
  Moville, Hinton, Lawton, and Hornick around 745 PM CDT.
  Kingsley, Merrill, Anthon, and Smithland around 750 PM CDT.

Other locations in the path of these severe thunderstorms include Le
Mars, Pierson, Remsen, Correctionville, Washta, Quimby, Cushing,
Marcus, Cleghorn, Cherokee, Holstein and Aurelia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for northwestern
and west central Iowa...northeastern Nebraska...and southeastern
South Dakota.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 4222 9632 4227 9635 4237 9661 4251 9664
      4291 9597 4291 9587 4278 9540 4221 9543
TIME...MOT...LOC 0039Z 231DEG 51KT 4256 9637 4237 9617 4217 9618 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

BP

106 
WWUS53 KFSD 180056
SVSFSD

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

NEC043-SDC127-180105-
/O.CAN.KFSD.SV.W.0049.000000T0000Z-260518T0130Z/
Dakota NE-Union SD-
756 PM CDT Sun May 17 2026

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DAKOTA AND
SOUTHEASTERN UNION COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for northwestern
and west central Iowa...northeastern Nebraska...and southeastern
South Dakota.

&&

LAT...LON 4222 9632 4232 9637 4234 9641 4241 9641
      4244 9638 4249 9640 4249 9648 4260 9650
      4291 9597 4291 9587 4278 9540 4221 9543
TIME...MOT...LOC 0055Z 236DEG 68KT 4269 9617 4250 9592 4230 9586 

$$

IAC035-093-149-193-180130-
/O.CON.KFSD.SV.W.0049.000000T0000Z-260518T0130Z/
Cherokee IA-Woodbury IA-Plymouth IA-Ida IA-
756 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR CHEROKEE...WOODBURY...EASTERN PLYMOUTH AND IDA COUNTIES...

At 755 PM CDT, severe thunderstorms were located along a line
extending from near Merrill to near Pierson to near Smithland, moving
northeast at 80 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Mesonet. At 748 PM CDT, a 67 mph wind gust was reported 
         by a personal weather station in Moville, IA.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

These severe storms will be near...
  Remsen, Kingsley, Correctionville, Pierson, Washta, and Cushing 
  around 800 PM CDT.

Other locations in the path of these severe thunderstorms include
Holstein, Marcus, Quimby, Cherokee, Galva, Cleghorn and Aurelia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly 
from severe thunderstorms. If you spot a tornado go at once into the 
basement or small central room in a sturdy structure.

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 4222 9632 4232 9637 4234 9641 4241 9641
      4244 9638 4249 9640 4249 9648 4260 9650
      4291 9597 4291 9587 4278 9540 4221 9543
TIME...MOT...LOC 0055Z 236DEG 68KT 4269 9617 4250 9592 4230 9586 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

BP

106 
WWUS53 KFSD 180056
SVSFSD

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

NEC043-SDC127-180105-
/O.CAN.KFSD.SV.W.0049.000000T0000Z-260518T0130Z/
Dakota NE-Union SD-
756 PM CDT Sun May 17 2026

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DAKOTA AND
SOUTHEASTERN UNION COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for northwestern
and west central Iowa...northeastern Nebraska...and southeastern
South Dakota.

&&

LAT...LON 4222 9632 4232 9637 4234 9641 4241 9641
      4244 9638 4249 9640 4249 9648 4260 9650
      4291 9597 4291 9587 4278 9540 4221 9543
TIME...MOT...LOC 0055Z 236DEG 68KT 4269 9617 4250 9592 4230 9586 

$$

IAC035-093-149-193-180130-
/O.CON.KFSD.SV.W.0049.000000T0000Z-260518T0130Z/
Cherokee IA-Woodbury IA-Plymouth IA-Ida IA-
756 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR CHEROKEE...WOODBURY...EASTERN PLYMOUTH AND IDA COUNTIES...

At 755 PM CDT, severe thunderstorms were located along a line
extending from near Merrill to near Pierson to near Smithland, moving
northeast at 80 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Mesonet. At 748 PM CDT, a 67 mph wind gust was reported 
         by a personal weather station in Moville, IA.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

These severe storms will be near...
  Remsen, Kingsley, Correctionville, Pierson, Washta, and Cushing 
  around 800 PM CDT.

Other locations in the path of these severe thunderstorms include
Holstein, Marcus, Quimby, Cherokee, Galva, Cleghorn and Aurelia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly 
from severe thunderstorms. If you spot a tornado go at once into the 
basement or small central room in a sturdy structure.

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 4222 9632 4232 9637 4234 9641 4241 9641
      4244 9638 4249 9640 4249 9648 4260 9650
      4291 9597 4291 9587 4278 9540 4221 9543
TIME...MOT...LOC 0055Z 236DEG 68KT 4269 9617 4250 9592 4230 9586 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

BP

873 
WWUS53 KFSD 180113
SVSFSD

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

IAC035-093-149-193-180130-
/O.CON.KFSD.SV.W.0049.000000T0000Z-260518T0130Z/
Cherokee IA-Woodbury IA-Plymouth IA-Ida IA-
813 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR CHEROKEE...EASTERN WOODBURY...EASTERN PLYMOUTH AND IDA
COUNTIES...

At 812 PM CDT, severe thunderstorms were located along a line
extending from Remsen to near Quimby to near Cushing, moving
northeast at 60 mph.

THESE ARE DESTRUCTIVE STORMS FOR KINGSLEY, CORRECTIONVILLE, WASHTA, 
AND QUIMBY.

HAZARD...80 mph wind gusts and quarter size hail.

SOURCE...Mesonet. At 752 PM CDT, a 77 mph wind gust was reported via 
         personal weather station in Moville, Iowa.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

These severe storms will be near...
  Cherokee, Holstein, Marcus, Quimby, and Cleghorn around 815 PM 
  CDT.

Other locations in the path of these severe thunderstorms include
Aurelia and Galva.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind 
speeds expected. Mobile homes and high profile vehicles are 
especially susceptible to winds of this magnitude and may be 
overturned. For your protection move to an interior room on the 
lowest floor of a building. These storms have the potential to cause 
serious injury and significant property damage.

&&

LAT...LON 4222 9597 4272 9630 4291 9597 4291 9587
      4278 9540 4221 9543
TIME...MOT...LOC 0112Z 232DEG 51KT 4281 9595 4262 9570 4242 9564 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH

$$

BP