River stage
Lone Tree, Iowa River
- River level
- 12.43 ft
- Status
- Below flood stage
- 7-day change
- -0.38 ft
- Recent high
- 16.68 ft
- Recent low
- 4.76 ft
Last reported 2026-10-13 | NWS LNTI4
- 30-day change
- +6.96 ft
- Average
- 9.33 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 23.10 ft
In brief
The Iowa River at Lone Tree, IA read 12.43 ft on Oct 13, 2026, 1.57 ft below action stage. That is 6.96 ft higher than 30 days earlier.
Source: National Weather Service gauge LNTI4
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 23.10 ft | 2008-06-15 |
| 2 | 22.94 ft | 1993-07-07 |
| 3 | 22.13 ft | 2014-07-03 |
| 4 | 21.99 ft | 2013-04-19 |
| 5 | 20.39 ft | 2018-10-09 |
| 6 | 20.27 ft | 1965-09-22 |
| 7 | 19.94 ft | 1944-05-25 |
| 8 | 19.09 ft | 2019-03-15 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 14.00 ft
Water reaches the tops of the river banks.
- 15.00 ft
Water nears low lying roads and reaches agricultural levees.
- 16.00 ft
Flood waters affect parts of Lola Lane and Y Avenue. River Junction Access Park is closed.
- 18.00 ft
Sand Road closes south of 520th Street to the Highway 22 intersection.
- 18.50 ft
River Junction Access is flooded. Low lying rural roads are under water.
- 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.
- 20.00 ft
Water reaches the bottom of the County Road W66 bridge deck.
- 22.00 ft
Hills access is flooded.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Iowa River flooding at Lone Tree?
No. The Iowa River at Lone Tree is at 12.43 ft, 1.57 ft below action stage.
What is the flood stage at Lone Tree?
The National Weather Service sets action stage 14 ft, minor flooding 16 ft, moderate flooding 18.5 ft and major flooding 22 ft.
What is the highest the Iowa River has been at Lone Tree?
The highest crest on record is 23.1 ft, on 2008-06-15.
Is the Iowa River high or low right now at Lone Tree?
At 12.43 ft it is higher than 80% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge LNTI4); daily history from the U.S. Geological Survey (site 05455700). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.