RIVER GAUGE · EAST NISHNABOTNA RIVER
East Nishnabotna River at Red Oak
Montgomery County, Iowa
Water level17.10 ft
Flow10,200 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action16 ft
Minor flood18 ft
Moderate flood22 ft
Major flood27 ft
The past week
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What floods at each level
- 37 ft
Water begins to flow over the Coolbaugh Street bridge at the gage site.
- 36 ft
Water nears the top of the federal levee protecting Red Oak.
- 30 ft
Water approaches the bottom of the bridge at Coolbaugh Street.
- 29.5 ft
The airport begins to flood.
- 28.5 ft
West Coolbaugh Street begins to flood.
- 27 ft
200th Street, also known as H34, begins to flood east of the airport.
- 25 ft
Highway 34 west of Broadway Street begins to flood.
- 22 ft
Buildings between G Avenue and the river begin to flood. Also G Avenue is likely closed due to flooding.
- 20 ft
Lowland flooding begins along the west bank.
- 18 ft
Rural lowlands begin to flood along the east bank.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 14, 1998 | 29.39 ft | 60,500 cfs |
| Jun 12, 1947 | 28.23 ft | 36,200 cfs |
| Sep 12, 1972 | 27.43 ft | 38,000 cfs |
More on East Nishnabotna River
DownstreamEast Nishnabotna River near Coburg
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