Severe Thunderstorm Warning until 09:15AM 
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for... Lyon County in northwestern Iowa... Northwestern Osceola County in northwestern Iowa... Sioux County in northwestern Iowa... Northeastern Clay County in southeastern South Dakota... Lincoln County in southeastern South Dakota... Northern Union County in southeastern South Dakota...
* Until 915 AM CDT.
* At 839 AM CDT, severe thunderstorms were located along a line extending from near Rock Rapids to near Beresford, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near... Rock Rapids around 845 AM CDT. Hawarden, George and Hudson around 855 AM CDT. Little Rock around 900 AM CDT. Ireton around 905 AM CDT. Sioux Center and Sibley around 910 AM CDT. Other locations impacted by these severe thunderstorms include Bigelow.
* AFFECTED AREAS: CLAY, SD ... LYON, IA ... UNION, SD ... LINCOLN, SD ... OSCEOLA, IA ... SIOUX, IA
Instructions:
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
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