Flash Flood Warning until 11:45PM 
FFWFSD The National Weather Service in Sioux Falls has issued a
* Flash Flood Warning for... Northwestern O'Brien County in northwestern Iowa... Southwestern Osceola County in northwestern Iowa... East Central Sioux County in northwestern Iowa...
* Until 1145 PM CDT.
* At 909 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts up to 3 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... Sheldon, Sanborn, Ashton, Melvin and Archer.
* AFFECTED AREAS: O'BRIEN, IA ... OSCEOLA, IA ... SIOUX, IA
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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