Tongue River near Decker, MT
River level and flood forecast · Big Horn County
Normal2.7 ftas of Mon 1:15 PM
Flow: 198 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.
Highest crests on record
- 14.25 ft — May 19, 1978
- 11.86 ft — May 29, 2019
- 10.86 ft — June 15, 1967
- 10.26 ft — May 30, 2018
- 9.86 ft — March 19, 1969
Recent crests: 6.61 ft (June 12, 2024) · 8.56 ft (June 11, 2023) · 7.05 ft (June 14, 2022) · 5.45 ft (June 7, 2021) · 5.99 ft (June 1, 2020)
Up and down the river, and nearby
- DownstreamTongue River at Tongue River Reservoir, MT
- Rosebud Creek at Reservation Boundary near Kirby, MT
- Tongue River at Birney Day School near Birney, MT
- Little Bighorn River at State Line near Wyola, MT
- Lodge Grass Creek above Willow Creek diversion near Wyola (closed), MT
- Powder River (WY-MT) near Arvada, WY
- Rosebud Creek near Lame Deer, MT
- Clear Creek near Buffalo, WY
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (DSLM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.