Rivers in Wyoming

New Fork River near Big Piney

Sublette County, WyomingNWS BPNW4USGS 09205000Riverton office

Below flood stage
2.64ftStage

Observed Tue, Sep 22, 12:00 PM MDT

Flood stage
8.00 ft
Forecast crest
2.64 ftTue, Sep 22, 2:00 PM MDT
Record crest
8.30 ft2017

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Moderate flood8.50 ft
Minor flood8.00 ft
Action7.00 ft
  1. 9.50 ftExpect water at base of bridge upstream of gage. Sublette County Road 23-175 near bridge to 1000 feet north of bridge may be totally submerged and impassable.
  2. 8.50 ftStanding water on low spots of Sublette County Road 23-175 near bridge to 700-1000 ft north of bridge. Major amd widespread low land pasture and agricultural flooding.
  3. 8.30 ftRecord stage and flow---9,400 cfs (6/19/2017).
  4. 8.00 ftFlood stage. Low land pasture and agricultural flooding intensifies and becomes more widespread.
  5. 7.00 ftBankfull stage. Minor lowland and pasture flooding.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 22, 2026.

Crest history

68 crests on NOAA’s list since 1955.

#DateStage
1June 19, 20178.30 ft
2June 7, 19868.28 ft
3June 10, 19728.15 ft
4June 27, 19657.84 ft
5June 11, 19977.60 ft
6July 2, 20117.56 ft
7June 30, 19827.51 ft
8June 17, 19957.42 ft
9June 15, 19917.06 ft
10June 9, 20197.03 ft
11June 8, 19577.00 ft
12June 12, 19966.87 ft
13June 12, 19876.87 ft
14June 19, 19716.81 ft
15June 20, 20186.74 ft
16June 25, 19676.74 ft
17June 13, 19836.68 ft
18June 22, 19996.67 ft
19June 17, 19786.55 ft
20June 5, 19566.53 ft
21June 12, 20106.50 ft
22June 8, 20206.45 ft
23July 6, 19756.42 ft
24June 6, 19686.42 ft
25June 2, 20186.40 ft

Most recent crests

  • June 8, 2020: 6.45 ft
  • June 9, 2019: 7.03 ft
  • June 20, 2018: 6.74 ft
  • June 2, 2018: 6.40 ft
  • June 19, 2017: 8.30 ft
  • June 9, 2016: 6.21 ft
  • June 11, 2015: 5.43 ft
  • May 29, 2014: 6.27 ft
  • May 18, 2013: 4.08 ft
  • June 7, 2012: 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.