Rivers in Montana

Yellowstone River at Forsyth

Rosebud County, MontanaNWS FRYM8USGS 06295000Billings office

Below flood stage
1.56ftStage

Observed Sun, Sep 27, 6:45 PM MDT

Flood stage
14.00 ft
Record crest
14.53 ft1978

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Minor flood14.00 ft
  1. 14.00 ftWater begins to seep up from the ground into basements of homes along the west side of forsyth.+

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 23, 2026.

Crest history

48 crests on NOAA’s list since 1922.

#DateStage
1May 21, 197814.53 ft
2June 14, 199712.82 ft
3June 17, 202212.27 ft
4May 24, 201112.24 ft
5June 15, 192212.20 ft
6May 30, 201811.53 ft
7June 14, 199610.79 ft
8June 1, 201410.41 ft
9June 14, 19919.85 ft
10July 2, 19829.82 ft
11June 8, 20179.68 ft
12June 10, 20199.68 ft
13June 4, 20209.62 ft
14June 11, 19819.41 ft
15June 26, 20239.41 ft
16June 18, 19959.22 ft
17June 8, 20109.20 ft
18June 27, 20089.18 ft
19June 24, 19999.01 ft
20June 24, 20098.97 ft
21June 8, 19868.96 ft
22June 3, 20038.72 ft
23June 4, 20158.54 ft
24June 12, 20248.45 ft
25June 4, 20028.11 ft

Most recent crests

  • June 12, 2024: 8.45 ft
  • June 26, 2023: 9.41 ft
  • June 17, 2022: 12.27 ft
  • June 8, 2021: 7.25 ft
  • June 4, 2020: 9.62 ft
  • June 10, 2019: 9.68 ft
  • May 30, 2018: 11.53 ft
  • June 8, 2017: 9.68 ft
  • June 10, 2016: 6.78 ft
  • June 4, 2015: 8.54 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 during winter months. River forecasts will be issued for this location when the water level reaches 2 feet from flood stage.

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.