Severe Thunderstorm Warning until 04:45PM 
SVRFSD The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for... Northern Sioux County in northwestern Iowa...
* Until 445 PM CDT.
* At 406 PM CDT, a severe thunderstorm was located near Rock Valley, or 7 miles northwest of Sioux Center, moving east at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near... Sioux Center, Rock Valley, and Hull around 410 PM CDT. Boyden around 420 PM CDT. Other locations in the path of this severe thunderstorm include Matlock.
* AFFECTED AREAS: SIOUX, IA
Instructions:
For your protection move to an interior room on the lowest floor of a building.
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