Flash Flood Warning until 03:15AM Monday 
FFWFSD The National Weather Service in Sioux Falls has issued a
* Flash Flood Warning for... Northwestern O'Brien County in northwestern Iowa... Eastern Sioux County in northwestern Iowa...
* Until 315 AM CDT.
* At 144 AM CDT, emergency management reported thunderstorms producing heavy rain in Sheldon, IA. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. 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... Sheldon.
* AFFECTED AREAS: O'BRIEN, IA ... SIOUX, IA
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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
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