At 344 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain are moving out of the warned area. Between 1 and 2 inches of rain have fallen. While no additional rainfall is expected, flooding impacts will continue as water slowly recedes.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Some locations that will experience flash flooding include... Sioux City, South Sioux City and North Sioux City.
At 2:20 AM CDT, the public reported water over the curb in 1400 block of B Street in South Sioux City.