Rivers in Wyoming
Bighorn River at Basin
Below flood stage
3.32ftStage
Observed Tue, Sep 22, 4:15 AM MDT
- Flood stage
- 10.50 ft
- Record crest
- 10.80 ft2011
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 13.00 ft |
| Moderate flood | 11.00 ft |
| Minor flood | 10.50 ft |
| Action | 9.50 ft |
- 11.00 ftExtensive major agricultural flooding upstream and downstream of Basin. Low lying areas along county road just east of bridge may be under water. Water begins to totally inundate boat ramp and adjacent house near boat ramp in Basin.
- 10.80 ftRecord stage---(6/11/2011)
- 10.50 ftFlood stage. Widespread major agricultural flooding upstream and downstream of Basin. Water begins to encroach boat ramp and adjacent house near boat ramp in Basin.
- 10.49 ftRecord flow---19,500 cfs (6/7/1991).
- 10.00 ftModerate to major agricultural flooding intensifies and becomes more widespread upstream and downstream of Basin.
- 9.50 ftBankfull stage. Minor agricultural flooding continues to expand upstream and downstream of Basin.
- 9.00 ftMinor agricultural flooding begins upstream and downstream of Basin.
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
37 crests on NOAA’s list since 1984.
| # | Date | Stage |
|---|---|---|
| 1 | June 11, 2011 | 10.80 ft |
| 2 | June 7, 1991 | 10.49 ft |
| 3 | June 15, 1997 | 10.00 ft |
| 4 | May 29, 2019 | 9.73 ft |
| 5 | June 17, 2010 | 9.72 ft |
| 6 | October 4, 2016 | 9.65 ft |
| 7 | June 16, 1995 | 9.64 ft |
| 8 | June 12, 2015 | 9.51 ft |
| 9 | December 15, 2011 | 9.48 ft |
| 10 | June 13, 2017 | 9.46 ft |
| 11 | June 8, 2018 | 9.39 ft |
| 12 | June 9, 1999 | 8.93 ft |
| 13 | October 7, 2011 | 8.82 ft |
| 14 | May 11, 2005 | 8.72 ft |
| 15 | June 9, 1986 | 8.54 ft |
| 16 | June 22, 2009 | 8.22 ft |
| 17 | May 23, 2008 | 8.18 ft |
| 18 | June 9, 1987 | 7.87 ft |
| 19 | March 7, 2014 | 7.82 ft |
| 20 | May 22, 2016 | 7.76 ft |
| 21 | May 7, 1988 | 7.57 ft |
| 22 | June 16, 1984 | 7.46 ft |
| 23 | May 30, 2014 | 7.26 ft |
| 24 | March 8, 2020 | 7.19 ft |
| 25 | March 30, 1994 | 7.12 ft |
Most recent crests
- March 8, 2020: 7.19 ft
- May 29, 2019: 9.73 ft
- June 8, 2018: 9.39 ft
- June 13, 2017: 9.46 ft
- October 4, 2016: 9.65 ft
- May 22, 2016: 7.76 ft
- June 12, 2015: 9.51 ft
- May 30, 2014: 7.26 ft
- March 7, 2014: 7.82 ft
- September 27, 2013: 5.93 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.
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.