Yellowstone River at Forsyth, MT
River level and flood forecast · Rosebud County
Normal1.5 ftas of Mon 1:45 PM
The river is 12.5 ft below flood stage (14 ft).
Flow: 4,610 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Flood stage | 14 ft |
| Record crest (May 21, 1978) | 14.53 ft |
What floods at each level
From the National Weather Service, highest first.
- 14 ftWater begins to seep up from the ground into basements of homes along the west side of forsyth.+
Highest crests on record
- 14.53 ft — May 21, 1978
- 12.82 ft — June 14, 1997
- 12.27 ft — June 17, 2022
- 12.24 ft — May 24, 2011
- 11.53 ft — May 30, 2018
Recent crests: 8.45 ft (June 12, 2024) · 9.41 ft (June 26, 2023) · 12.27 ft (June 17, 2022) · 7.25 ft (June 8, 2021) · 9.62 ft (June 4, 2020)
Up and down the river, and nearby
- UpstreamYellowstone River at Billings, MT
- DownstreamYellowstone River at Miles City, MT
- Tongue River near Ashland at Brandenberg Bridge, MT
- Bighorn River near Bighorn, MT
- Rosebud Creek near Lame Deer, MT
- Tongue River at Miles City, MT
- Tongue River at Ashland, MT
- Little Bighorn River near Hardin, MT
- Tongue River at Birney Day School near Birney, MT
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FRYM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.