Iowa River near Lone Tree water level

Name: Iowa River near Lone Tree water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Iowa River, Iowa, United States

Directions

Below flood stage

Water level

10.01ft Up 0.52 ft over the last 24 hours

Measured Oct 20, 2026, 08:00 AM CDT (26 min ago)

Flow: 6,320 cfs

History

7 days

Water level Minor flood stage

What this means

The Iowa River near Lone Tree is at 10.01 ft, in the normal range.

It is 5.99 ft below the flood stage of 16.00 ft.

It has risen 0.52 ft over the past 24 hours. There is still 5.99 ft of room before flood stage. In the last month it has stayed between 9.32 ft and 10.02 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 23.10 ftJune 15, 2008

Floating and fishing near Iowa River near Lone Tree

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 16.00 ft, 5.99 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

22.00 ft: Hills access is flooded.
20.00 ft: Water reaches the bottom of the County Road W66 bridge deck.
19.00 ft: Tri-County Bridge is closed as there is no access from the east side due to the roadway being flooded. Homes on Lola Lane, Y Avenue and near the Tri-County Bridge are affected as access is cut off due to flooded roads.
18.50 ft: River Junction Access is flooded. Low lying rural roads are under water.
18.00 ft: Sand Road closes south of 520th Street to the Highway 22 intersection.
16.00 ft: Flood waters affect parts of Lola Lane and Y Avenue. River Junction Access Park is closed.
15.00 ft: Water nears low lying roads and reaches agricultural levees.
14.00 ft: Water reaches the tops of the river banks.
10.01 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 23 %.

Rank	Level	Date
1	23.10 ft	June 15, 2008
2	22.94 ft	July 7, 1993
3	22.13 ft	July 3, 2014
4	21.99 ft	April 19, 2013
5	20.39 ft	October 9, 2018
6	20.27 ft	September 22, 1965
7	19.94 ft	May 25, 1944
8	19.09 ft	March 15, 2019
9	18.97 ft	May 19, 1974
10	18.44 ft	May 11, 1996

Weather at the gauge

No rain in the last 3 days.

17 Sat 60° 33° – Wind 10 mph

18 Sun 64° 39° – Wind 15 mph

19 Mon 66° 38° – Wind 7 mph

20 Tue 68° 48° – Wind 7 mph

21 Wed 71° 50° 0.00 in Wind 9 mph

22 Thu 70° 55° – Wind 7 mph

23 Fri 74° 54° – Wind 14 mph

Forecast: Open-Meteo

Sunrise 07:24 AM Sunset 06:19 PM Daylight 10 hr, 55 min First quarter 68%

Map

Other gauges on the Iowa River

Gauge	Level	Compared with normal	24 hours	Distance
Iowa River near RowanRiver gauge, Iowa River	4.25 ft	Below flood stage	−0.08 ft	144 mi
Iowa River at Steamboat RockRiver gauge, Iowa River	6.25 ft	Very high	−0.14 ft	107 mi
Iowa River at MarshalltownRiver gauge, Iowa River	13.00 ft	Below flood stage	−0.44 ft	86 mi
Iowa River at County Highway E49 near TamaRiver gauge, Iowa River	7.06 ft	Below flood stage	−0.58 ft	70 mi
Iowa River near Belle PlaineRiver gauge, Iowa River	12.01 ft	Below flood stage	−0.59 ft	51 mi
Iowa River at MarengoRiver gauge, Iowa River	12.20 ft	Below flood stage	−0.46 ft	40 mi
Iowa River below Coralville Dam near CoralvilleRiver gauge, Iowa River	5,470 cfs	Very high	+930 cfs	20 mi
Iowa River at Iowa CityRiver gauge, Iowa River	15.00 ft	Below flood stage	+0.86 ft	16 mi
Iowa River at Columbus JunctionRiver gauge, Iowa River	14.51 ft	Very high	+0.33 ft	12 mi
Iowa River at WapelloRiver gauge, Iowa River	16.82 ft	Below flood stage	+0.27 ft	23 mi
Iowa River at OakvilleRiver gauge, Iowa River	6.48 ft	Below flood stage	+0.20 ft	31 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Cedar River near ConesvilleRiver gauge, Cedar River	9.88 ft	Below flood stage	+0.17 ft	10 mi
English River at KalonaRiver gauge, English River	6.04 ft	Below flood stage	−0.14 ft	13 mi
Old Mans Creek near Iowa CityRiver gauge, Old Mans Creek	3.25 ft	Below flood stage	−0.08 ft	14 mi
South Branch Ralston Creek at Iowa CityRiver gauge, South Branch Ralston Creek	1.81 ft	Normal	−0.01 ft	16 mi
Clear Creek near CoralvilleRiver gauge, Clear Creek	1.69 ft	Below flood stage	−0.05 ft	19 mi
WB Wapsinonoc Cr at College St at West BranchRiver gauge, WB Wapsinonoc Cr	2.7 cfs	Normal	−0.4 cfs	19 mi
Rapid Creek near Iowa CityRiver gauge, Rapid Creek	4.20 ft	Below flood stage	−0.02 ft	19 mi
Muddy Creek at CoralvilleRiver gauge, Muddy Creek	6.8 cfs	Normal	±0	20 mi

Questions and answers

What is flood stage for the Iowa River near Lone Tree?

The official flood stage is 16.00 ft. The level is currently 5.99 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Iowa River near Lone Tree today?

On Oct 20, 2026, 08:00 AM CDT, the water level was 10.01 ft. Up 0.52 ft over the last 24 hours.

Is Iowa River near Lone Tree rising or falling?

Up 0.52 ft over the last 24 hours.

Is the level of Iowa River near Lone Tree normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Iowa River near Lone Tree?

The highest level on record is 23.10 ft on June 15, 2008.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:05455700 (Agency page)
Coordinates: 41.42378, -91.47853 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	10.01 ft	2026-10-20 13:00	Provisional
Flow	6,320 cfs	2026-10-20 13:00	Provisional

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How to cite

U.S. Geological Survey: Iowa River near Lone Tree (usgs:05455700). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/iowa/iowa-river-near-lone-tree

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer