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Home Return to list Severe Thunderstorm Warning 0053 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-05-18 17:48:29
148
WUUS53 KFSD 182248
SVRFSD
IAC021-035-041-141-182330-
/O.NEW.KFSD.SV.W.0053.260518T2248Z-260518T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
548 PM CDT Mon May 18 2026
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Northeastern Cherokee County in northwestern Iowa...
Northwestern Buena Vista County in northwestern Iowa...
Southern Clay County in northwestern Iowa...
Southeastern OBrien County in northwestern Iowa...
* Until 630 PM CDT.
* At 548 PM CDT, a severe thunderstorm was located near Quimby, or
near Cherokee, moving northeast at 45 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Cherokee, Aurelia, and Larrabee around 555 PM CDT.
Peterson around 605 PM CDT.
Other locations in the path of this severe thunderstorm include
Sutherland, Linn Grove and Royal.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4264 9545 4269 9571 4313 9546 4297 9499
TIME...MOT...LOC 2248Z 215DEG 40KT 4268 9558
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Meyers
Action: Continued Issued At: 2026-05-18 18:02:00
572
WWUS53 KFSD 182301
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
601 PM CDT Mon May 18 2026
IAC021-035-041-141-182330-
/O.CON.KFSD.SV.W.0053.000000T0000Z-260518T2330Z/
Cherokee IA-Buena Vista IA-Clay IA-OBrien IA-
601 PM CDT Mon May 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHEASTERN CHEROKEE...NORTHWESTERN BUENA VISTA...SOUTHWESTERN
CLAY AND SOUTHEASTERN OBRIEN COUNTIES...
At 601 PM CDT, a severe thunderstorm was located near Larrabee, or
near Cherokee, moving northeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Sutherland, Peterson, and Larrabee around 605 PM CDT.
Other locations in the path of this severe thunderstorm include Linn
Grove, Royal and Greenville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4267 9547 4274 9561 4311 9541 4300 9509
TIME...MOT...LOC 2301Z 211DEG 40KT 4281 9547
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Meyers
Action: Continued Issued At: 2026-05-18 18:13:00
860
WWUS53 KFSD 182312
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
612 PM CDT Mon May 18 2026
IAC141-182322-
/O.CAN.KFSD.SV.W.0053.000000T0000Z-260518T2330Z/
OBrien IA-
612 PM CDT Mon May 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OBRIEN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4291 9519 4276 9536 4281 9548 4291 9541
4291 9539 4295 9539 4307 9531 4300 9509
TIME...MOT...LOC 2312Z 213DEG 45KT 4294 9527
$$
IAC021-035-041-182330-
/O.CON.KFSD.SV.W.0053.000000T0000Z-260518T2330Z/
Cherokee IA-Buena Vista IA-Clay IA-
612 PM CDT Mon May 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHEASTERN CHEROKEE...NORTHWESTERN BUENA VISTA AND SOUTHWESTERN
CLAY COUNTIES...
At 612 PM CDT, a severe thunderstorm was located near Linn Grove, or
15 miles southwest of Spencer In Clay County, moving northeast at 50
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Royal and Greenville around 615 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4291 9519 4276 9536 4281 9548 4291 9541
4291 9539 4295 9539 4307 9531 4300 9509
TIME...MOT...LOC 2312Z 213DEG 45KT 4294 9527
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Meyers
Action: Cancelled Issued At: 2026-05-18 18:13:00
860
WWUS53 KFSD 182312
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
612 PM CDT Mon May 18 2026
IAC141-182322-
/O.CAN.KFSD.SV.W.0053.000000T0000Z-260518T2330Z/
OBrien IA-
612 PM CDT Mon May 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OBRIEN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4291 9519 4276 9536 4281 9548 4291 9541
4291 9539 4295 9539 4307 9531 4300 9509
TIME...MOT...LOC 2312Z 213DEG 45KT 4294 9527
$$
IAC021-035-041-182330-
/O.CON.KFSD.SV.W.0053.000000T0000Z-260518T2330Z/
Cherokee IA-Buena Vista IA-Clay IA-
612 PM CDT Mon May 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHEASTERN CHEROKEE...NORTHWESTERN BUENA VISTA AND SOUTHWESTERN
CLAY COUNTIES...
At 612 PM CDT, a severe thunderstorm was located near Linn Grove, or
15 miles southwest of Spencer In Clay County, moving northeast at 50
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Royal and Greenville around 615 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4291 9519 4276 9536 4281 9548 4291 9541
4291 9539 4295 9539 4307 9531 4300 9509
TIME...MOT...LOC 2312Z 213DEG 45KT 4294 9527
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Meyers
Action: Expired Issued At: 2026-05-18 18:26:30
346
WWUS53 KFSD 182326
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
626 PM CDT Mon May 18 2026
IAC021-035-041-182335-
/O.EXP.KFSD.SV.W.0053.000000T0000Z-260518T2330Z/
Cherokee IA-Buena Vista IA-Clay IA-
626 PM CDT Mon May 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEROKEE...
NORTHWESTERN BUENA VISTA AND SOUTHWESTERN CLAY COUNTIES WILL EXPIRE
AT 630 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
&&
LAT...LON 4291 9519 4276 9536 4281 9548 4291 9541
4291 9539 4295 9539 4307 9531 4300 9509
TIME...MOT...LOC 2325Z 215DEG 40KT 4304 9517
$$
Meyers
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