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The levees in and around Sioux City downstream of the gage begin to be overtopped.
Flooding begins to affect the town of James.
The railroad closures in Sioux City should be closed.
Approximately 3700 acres of farm land are flooded.
The northbound lane of Highway 75 is flooded, and the railroad company begins to shut down operations.
Flooding begins to affect the farm levees, and about 3200 acres of farm land are flooded.
County Highway C70 begins to flood.
Approximately 2100 acres of farm land are flooded.
Approximately 1500 acres of farm land are flooded.
Flooding begins to affect the low lying agricultural lands.
The lowest banks are overtopped with minor lowland flooding.
The Floyd River levee gates in Sioux City begin closing.
Flood Categories (in feet)
|Major Flood Stage:||34|
|Moderate Flood Stage:||30|
|Action Stage:||24|Historical Crests
(1) 28.85 ft on 06/21/1983
(2) 28.19 ft on 03/23/1979
(3) 28.13 ft on 02/19/1971
(4) 25.35 ft on 06/22/1996
(5) 25.30 ft on 06/08/1953
Show More Historical Crests
: Preliminary values subject to further review.