Rivers in Wyoming
Lamar River near Tower Falls
Below flood stage
1.09ftStage
Observed Tue, Sep 22, 2:15 PM MDT
- Flood stage
- 15.00 ft
- Record crest
- 17.19 ft2022
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 17.00 ft |
| Moderate flood | 16.00 ft |
| Minor flood | 15.00 ft |
- 12.15 ftRecord stage and flow---19,500 cfs (6/10/1996).
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 September 23, 2026.
Crest history
83 crests on NOAA’s list since 1923.
| # | Date | Stage |
|---|---|---|
| 1 | June 13, 2022 | 17.19 ft |
| 2 | June 10, 1996 | 12.15 ft |
| 3 | June 5, 2010 | 11.50 ft |
| 4 | June 5, 1997 | 11.46 ft |
| 5 | May 31, 2020 | 11.12 ft |
| 6 | June 24, 2011 | 10.75 ft |
| 7 | May 29, 2014 | 10.69 ft |
| 8 | May 29, 2003 | 10.48 ft |
| 9 | June 12, 1927 | 10.10 ft |
| 10 | May 26, 2018 | 10.08 ft |
| 11 | June 6, 1995 | 9.95 ft |
| 12 | June 1, 2002 | 9.85 ft |
| 13 | May 19, 2009 | 9.79 ft |
| 14 | May 25, 1928 | 9.75 ft |
| 15 | June 15, 1959 | 9.48 ft |
| 16 | June 3, 2019 | 9.39 ft |
| 17 | June 5, 2017 | 9.33 ft |
| 18 | May 30, 1925 | 9.30 ft |
| 19 | June 20, 1943 | 9.28 ft |
| 20 | May 14, 2013 | 9.24 ft |
| 21 | May 29, 1999 | 9.14 ft |
| 22 | June 2, 1956 | 9.11 ft |
| 23 | June 4, 1986 | 9.03 ft |
| 24 | May 19, 2008 | 8.98 ft |
| 25 | May 21, 1993 | 8.94 ft |
Most recent crests
- June 13, 2022: 17.19 ft
- June 6, 2021: 7.19 ft
- May 31, 2020: 11.12 ft
- June 3, 2019: 9.39 ft
- May 26, 2018: 10.08 ft
- June 5, 2017: 9.33 ft
- May 8, 2016: 6.48 ft
- June 2, 2015: 6.66 ft
- May 29, 2014: 10.69 ft
- May 14, 2013: 9.24 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.
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.