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Sioux County Sheriff's Office
Sunday May 17th, 2026 :: 07:20 p.m. CDT

Alert

Severe Thunderstorm Warning until 08:00PM

SVRFSD The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for... Southeastern Sioux County in northwestern Iowa... Northeastern Plymouth County in northwestern Iowa...

* Until 800 PM CDT.

* At 719 PM CDT, a severe thunderstorm was located near Alton, or near Orange City, moving northeast at 20 mph. HAZARD...Ping pong 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... Orange City, Alton, and Granville around 725 PM CDT. Hospers around 735 PM CDT.

* AFFECTED AREAS: PLYMOUTH, IA ... SIOUX, IA

Instructions:

Prepare immediately for large hail and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows. A Tornado Watch remains in effect until 1000 PM CDT for northwestern Iowa.

Address/Location
Sioux County Sheriff's Office
4363 Ironwood Ave., Ste 1
Orange City, IA 51250

Contact
Emergency: 9-1-1
Non-emergencies: 712-737-3307

TEXT-A-TIP -  Text TIP SIOUX followed by your message, to 888777

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Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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