Rivers in Wyoming
Blacks Fork near Robertson
Below flood stage
2.14ftStage
Observed Mon, Sep 21, 2:00 PM MDT
- Flood stage
- 5.00 ft
- Forecast crest
- 2.13 ftMon, Sep 21, 3:00 PM MDT
- Record crest
- 5.34 ft2010
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 5.50 ft |
| Moderate flood | 5.30 ft |
| Minor flood | 5.00 ft |
| Action | 4.80 ft |
- 5.50 ftAt 5.5 ft, major flooding will affect areas adjacent to the Blacks Fork River.
- 5.30 ftAt 5.3 ft, moderate flooding will affect areas adjacent to the Blacks Fork River.
- 5.00 ftAt 5.0 ft, minor flooding will affect areas adjacent to the Blacks Fork 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 21, 2026.
Crest history
36 crests on NOAA’s list since 1971.
| # | Date | Stage |
|---|---|---|
| 1 | June 6, 2010 | 5.34 ft |
| 2 | June 30, 2011 | 5.23 ft |
| 3 | June 15, 1995 | 5.17 ft |
| 4 | June 10, 2016 | 4.72 ft |
| 5 | June 9, 1996 | 4.68 ft |
| 6 | May 25, 2018 | 4.65 ft |
| 7 | June 20, 1999 | 4.58 ft |
| 8 | May 30, 2003 | 4.54 ft |
| 9 | June 9, 1997 | 4.53 ft |
| 10 | June 30, 1998 | 4.42 ft |
| 11 | May 29, 2014 | 4.41 ft |
| 12 | June 5, 2017 | 4.39 ft |
| 13 | June 18, 1971 | 4.36 ft |
| 14 | June 19, 2008 | 4.33 ft |
| 15 | May 23, 2003 | 4.33 ft |
| 16 | June 4, 1972 | 4.25 ft |
| 17 | May 20, 2009 | 4.21 ft |
| 18 | May 16, 2001 | 4.16 ft |
| 19 | June 10, 2006 | 4.15 ft |
| 20 | June 16, 2015 | 4.10 ft |
| 21 | May 16, 1994 | 4.00 ft |
| 22 | May 23, 2000 | 3.98 ft |
| 23 | June 8, 2013 | 3.94 ft |
| 24 | June 19, 1983 | 3.92 ft |
| 25 | June 11, 1975 | 3.92 ft |
Most recent crests
- May 25, 2018: 4.65 ft
- June 5, 2017: 4.39 ft
- June 10, 2016: 4.72 ft
- June 16, 2015: 4.10 ft
- May 29, 2014: 4.41 ft
- June 8, 2013: 3.94 ft
- May 15, 2012: 3.42 ft
- June 30, 2011: 5.23 ft
- June 6, 2010: 5.34 ft
- May 20, 2009: 4.21 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. Stage and computed discharge 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.