Rivers in Wyoming

Blacks Fork near Little America

Sweetwater County, WyomingNWS LTAW4USGS 09224700Riverton office

Below flood stage
2.92ftStage

Observed Mon, Sep 28, 1:00 AM MDT

Flood stage
10.50 ft
Forecast crest
2.94 ftMon, Sep 28, 2:00 AM MDT
Record crest
12.53 ft2017

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Moderate flood11.50 ft
Minor flood10.50 ft
Action9.50 ft
  1. 19.00 ftHighway 374 near gage will be covered in water. Still no affects to the interstate.
  2. 13.00 ftWater at base of Highway 374 Bridge.
  3. 12.53 ftRecord stage---due to rapid warmup and ice jams (3/12/2017).
  4. 10.90 ftRecord flow---9,980 cfs (6/13/1965).
  5. 10.50 ftFlood stage. More widespread flooding upstream at Granger. Left bank of the river overflows and causes high water at both upstream and downstream locations. Some minor flooding along Bonomo Ranch south of gage. I-80 bridge traffic not affected at any stage.
  6. 9.50 ftBankfull stage. County Road 95--100 to 200 yds from gage--may become impassable. Low lying flooding problems begin upstream at Granger.

Crest history

58 crests on NOAA’s list since 1962.

#DateStage
1March 12, 201712.53 ft
2June 19, 199810.40 ft
3May 31, 201110.38 ft
4March 11, 200710.23 ft
5June 8, 198610.16 ft
6May 26, 19849.95 ft
7June 14, 20109.58 ft
8March 12, 20059.44 ft
9March 2, 19929.43 ft
10June 3, 19919.40 ft
11September 29, 20149.07 ft
12March 28, 20088.95 ft
13March 16, 20128.91 ft
14March 5, 20168.90 ft
15April 5, 20198.86 ft
16May 30, 19998.55 ft
17July 20, 19738.54 ft
18June 11, 19978.53 ft
19March 23, 20018.50 ft
20June 14, 20168.49 ft
21June 8, 19688.43 ft
22May 26, 20158.36 ft
23July 28, 19828.29 ft
24September 13, 20138.19 ft
25June 19, 20098.11 ft

Most recent crests

  • April 5, 2019: 8.86 ft
  • May 13, 2018: 5.82 ft
  • March 12, 2017: 12.53 ft
  • June 14, 2016: 8.49 ft
  • March 5, 2016: 8.90 ft
  • May 26, 2015: 8.36 ft
  • September 29, 2014: 9.07 ft
  • September 13, 2013: 8.19 ft
  • March 16, 2012: 8.91 ft
  • May 31, 2011: 10.38 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.