Knife River (MN) near Two Harbors
Observed Tue, Sep 22, 11:00 AM CDT
- Flood stage
- 33.00 ft
- Record crest
- 34.89 ft2023
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 36.00 ft |
| Moderate flood | 34.00 ft |
| Minor flood | 33.00 ft |
| Action | 30.00 ft |
- 36.00 ftWater goes over the Church Road (County Road 102) bridge and indundates portions of Scenic Highway 61 downstream of the intersection with County Road 102. Extensive flooding of residential yards with water encroaching on riverside homes in the town of Knife River.
- 33.50 ftWater may begin to inundate low lying areas of residential properties on Alger Smith Road (County Road 103).
- 33.00 ftBottom of the stairs to the rest station trail become inundated and portions of the Knife River hiking trail on the south side of the river are under water.
- 30.00 ftLowest spots of the Knife River hiking trail on the south side of the river begin to be inundanted.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
51 crests on NOAA’s list since 1975.
| # | Date | Stage |
|---|---|---|
| 1 | September 24, 2023 | 34.89 ft |
| 2 | June 18, 2018 | 32.63 ft |
| 3 | June 19, 2024 | 31.76 ft |
| 4 | July 19, 2020 | 30.36 ft |
| 5 | July 23, 2025 | 30.28 ft |
| 6 | May 1, 2022 | 30.03 ft |
| 7 | October 10, 2018 | 29.95 ft |
| 8 | April 12, 2021 | 29.43 ft |
| 9 | June 20, 2012 | 12.81 ft |
| 10 | July 5, 1999 | 12.14 ft |
| 11 | May 10, 1979 | 11.16 ft |
| 12 | June 24, 1997 | 10.29 ft |
| 13 | June 29, 1991 | 9.82 ft |
| 14 | July 4, 1993 | 9.53 ft |
| 15 | March 31, 2005 | 9.08 ft |
| 16 | September 24, 1977 | 8.94 ft |
| 17 | May 29, 1978 | 8.43 ft |
| 18 | August 25, 1995 | 8.19 ft |
| 19 | September 4, 1980 | 8.09 ft |
| 20 | June 10, 1986 | 8.04 ft |
| 21 | July 3, 1982 | 8.03 ft |
| 22 | April 21, 1992 | 7.84 ft |
| 23 | April 23, 2001 | 7.66 ft |
| 24 | September 27, 1996 | 7.53 ft |
| 25 | April 23, 1975 | 7.52 ft |
Most recent crests
- July 23, 2025: 30.28 ft
- June 19, 2024: 31.76 ft
- September 24, 2023: 34.89 ft
- May 1, 2022: 30.03 ft
- April 12, 2021: 29.43 ft
- July 19, 2020: 30.36 ft
- October 10, 2018: 29.95 ft
- June 18, 2018: 32.63 ft
- November 29, 2016: 5.11 ft
- June 13, 2016: 5.74 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Gauge reading 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.