Flash Flood Warning until 06:45AM 
The National Weather Service in Sioux Falls has issued a
* Flash Flood Warning for... Central O'Brien County in northwestern Iowa... Northwestern Plymouth County in northwestern Iowa... Southeastern Sioux County in northwestern Iowa... Central Union County in southeastern South Dakota...
* Until 645 AM CDT.
* At 253 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Orange City, Hartley, Akron, Sanborn, Alton, Paullina, Primghar, Hospers, Ireton, Granville, Maurice, Archer, Craig, Struble, Westfield and Chatsworth.
* AFFECTED AREAS: O'BRIEN, IA ... PLYMOUTH, IA ... SIOUX, IA ... UNION, SD
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
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