Rivers in Wyoming
Bear River at Evanston
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 8.00 ft |
| Moderate flood | 7.00 ft |
| Minor flood | 7.00 ft |
| Action | 5.50 ft |
- 9.00 ftmajor flooding will occur throughout Evanston including Bear River State Park, roads and bridges adjacent or overlying the Bear River. Additional flooding will occur to downstream areas north of Evanston including the town of Bear River.
- 8.00 ftmoderate flooding will occur to Bear River State Park, located on the east end of Evanston and just south of Interstate 80. Additional flooding will occur to low lying areas in Evanston and will affect bridges and roads overlying the Bear River.
- 7.00 ftminor flooding will occur to Bear River State Park, located on the east end of Evanston and just south of Interstate 80. Additional flooding will occur to low lying areas of Evanston and will affect bridges and roads overlying the Bear River.
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 19, 2026.
Crest history
35 crests on NOAA’s list since 1984.
| # | Date | Stage |
|---|---|---|
| 1 | June 8, 2010 | 7.60 ft |
| 2 | May 16, 1984 | 7.35 ft |
| 3 | July 1, 2011 | 7.08 ft |
| 4 | June 6, 1986 | 6.78 ft |
| 5 | May 22, 1993 | 6.41 ft |
| 6 | June 15, 1995 | 6.40 ft |
| 7 | May 21, 2008 | 6.38 ft |
| 8 | May 24, 2005 | 6.34 ft |
| 9 | May 17, 1996 | 6.10 ft |
| 10 | June 19, 1998 | 6.10 ft |
| 11 | June 12, 1990 | 5.96 ft |
| 12 | May 13, 2017 | 5.87 ft |
| 13 | June 8, 2016 | 5.60 ft |
| 14 | May 20, 2009 | 5.57 ft |
| 15 | June 14, 1991 | 5.55 ft |
| 16 | June 10, 1997 | 5.48 ft |
| 17 | May 22, 2006 | 5.25 ft |
| 18 | May 17, 2001 | 5.23 ft |
| 19 | May 30, 2003 | 5.21 ft |
| 20 | May 28, 2014 | 5.17 ft |
| 21 | May 17, 1987 | 4.82 ft |
| 22 | May 4, 1985 | 4.65 ft |
| 23 | May 26, 1999 | 4.62 ft |
| 24 | May 26, 2000 | 4.62 ft |
| 25 | May 18, 1988 | 4.61 ft |
Most recent crests
- May 26, 2018: 4.02 ft
- May 13, 2017: 5.87 ft
- June 8, 2016: 5.60 ft
- June 2, 2015: 3.90 ft
- May 28, 2014: 5.17 ft
- May 17, 2013: 4.08 ft
- April 27, 2012: 3.25 ft
- July 1, 2011: 7.08 ft
- June 8, 2010: 7.60 ft
- May 20, 2009: 5.57 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Colorado Basin River Forecast Center. Forecasts are issued routinely year-round. Gauge reading may be affected by ice. Forecast flows are unadjusted for 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.