Boyer River at Logan
Observed Mon, Sep 21, 9:00 PM CDT
- Flood stage
- 21.00 ft
- Record crest
- 25.33 ft2019
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 25.00 ft |
| Moderate flood | 22.00 ft |
| Minor flood | 21.00 ft |
| Action | 19.00 ft |
- 25.00 ftWidespread flooding is occurring in areas upstream and downstream of Logan, likely impacting portions of Woodbine and Missouri Valley. Logan itself is largely unaffected except for areas right along the river from 6th Avenue down through 11th Street. Also at this level the railroad bridge east of town begins to be impacted.
- 22.00 ftHighway 30 will flood in a few low spots between Missouri Valley and Logan.
- 21.00 ftThe ballfields north of town are flooded.
- 20.50 ftBuildings along the west bank of the river, south of 8th street but west of the railroad tracks, begin to flood.
- 19.00 ftThere is considerable overbank flooding upstream of Logan with downstream overbank flooding also occurring but less substantial. Floodwater may begin to encroach on the ballfields north of town may begin to be impacted.
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 26, 2026.
Crest history
99 crests on NOAA’s list since 1918.
| # | Date | Stage |
|---|---|---|
| 1 | March 13, 2019 | 25.33 ft |
| 2 | March 1, 1965 | 25.22 ft |
| 3 | June 8, 2008 | 24.75 ft |
| 4 | July 17, 1996 | 23.87 ft |
| 5 | June 21, 1996 | 23.02 ft |
| 6 | June 16, 1957 | 22.67 ft |
| 7 | February 19, 1971 | 22.65 ft |
| 8 | June 17, 1990 | 22.54 ft |
| 9 | March 18, 1979 | 22.47 ft |
| 10 | July 9, 1993 | 22.19 ft |
| 11 | September 1, 2014 | 21.94 ft |
| 12 | September 11, 1972 | 21.76 ft |
| 13 | September 13, 1978 | 21.73 ft |
| 14 | May 6, 2007 | 21.53 ft |
| 15 | February 18, 1997 | 21.07 ft |
| 16 | June 15, 1991 | 20.76 ft |
| 17 | September 26, 1973 | 20.32 ft |
| 18 | May 19, 1974 | 20.21 ft |
| 19 | December 14, 2015 | 20.15 ft |
| 20 | June 18, 1950 | 20.01 ft |
| 21 | March 28, 1951 | 20.00 ft |
| 22 | May 24, 1964 | 19.52 ft |
| 23 | June 21, 1952 | 19.50 ft |
| 24 | May 26, 1965 | 19.33 ft |
| 25 | July 9, 1940 | 19.20 ft |
Most recent crests
- August 9, 2025: 12.20 ft
- May 21, 2024: 12.66 ft
- February 15, 2023: 16.50 ft
- July 8, 2022: 6.12 ft
- July 11, 2021: 6.45 ft
- June 10, 2020: 11.11 ft
- March 13, 2019: 25.33 ft
- August 20, 2018: 14.70 ft
- January 19, 2017: 14.72 ft
- September 19, 2016: 13.43 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. 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. 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. Stage may be affected by ice.
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.