Severe Thunderstorm Warning until 01:15AM Tuesday 
SVRFSD The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for... Southwestern Sioux County in northwestern Iowa... Northwestern Plymouth County in northwestern Iowa... Northern Union County in southeastern South Dakota...
* Until 115 AM CDT.
* At 1243 AM CDT, a severe thunderstorm was located near Union Grove State Park, or 11 miles east of Vermillion, moving northeast at 40 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 thunderstorm will be near... Akron around 1250 AM CDT. Hawarden around 1255 AM CDT.
* AFFECTED AREAS: PLYMOUTH, IA ... SIOUX, IA ... UNION, SD
Instructions:
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, 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