Thompson River (IA/MO) near Trenton
Observed Wed, Sep 23, 2:45 AM CDT
- Flood stage
- 27.00 ft
- Record crest
- 34.38 ft2019
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 34.00 ft |
| Moderate flood | 31.00 ft |
| Minor flood | 27.00 ft |
| Action | 24.00 ft |
- 45.90 ftWater overtops the Highway 6 bridge located one mile west of Trenton.
- 39.00 ftWater reaches the low-steel of the Highway 6 bridge located one mile west of Trenton.
- 31.00 ftSouthwest 30th Avenue floods a quarter mile south of Highway 6. In addition, backwater flooding along Muddy Creek begins to affect Morningsun Drive in southeast Trenton.
- 30.00 ftBackwater along the Weldon River causes flooding at Northwest 22nd Avenue and Route A north of Trenton.
- 28.00 ftLow lying areas north of the gage are flooded.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 15% |
| Moderate flooding | 8% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.
Crest history
18 crests on NOAA’s list since 2007.
| # | Date | Stage |
|---|---|---|
| 1 | May 29, 2019 | 34.38 ft |
| 2 | September 10, 2014 | 32.84 ft |
| 3 | July 25, 2008 | 32.46 ft |
| 4 | June 6, 2010 | 32.33 ft |
| 5 | April 19, 2013 | 31.52 ft |
| 6 | June 25, 2008 | 31.52 ft |
| 7 | September 13, 2008 | 31.44 ft |
| 8 | May 26, 2019 | 30.83 ft |
| 9 | May 7, 2007 | 30.81 ft |
| 10 | June 5, 2014 | 30.53 ft |
| 11 | October 9, 2018 | 29.79 ft |
| 12 | June 11, 2026 | 29.71 ft |
| 13 | May 17, 2026 | 29.70 ft |
| 14 | August 5, 2023 | 29.37 ft |
| 15 | May 2, 2024 | 28.40 ft |
| 16 | June 23, 2019 | 27.94 ft |
| 17 | June 25, 2021 | 27.40 ft |
| 18 | May 19, 2026 | 27.32 ft |
Most recent crests
- June 11, 2026: 29.71 ft
- May 19, 2026: 27.32 ft
- May 17, 2026: 29.70 ft
- May 2, 2024: 28.40 ft
- August 5, 2023: 29.37 ft
- June 25, 2021: 27.40 ft
- June 23, 2019: 27.94 ft
- May 29, 2019: 34.38 ft
- May 26, 2019: 30.83 ft
- October 9, 2018: 29.79 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.