Yellowstone River near Sidney
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Downstream gauge unavailableWarning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
Traces and Thresholds Click to turn on/off display
Observed (OBS) 04/01/2025 5:00 PM MDTRecord: 24 ftCATEGORY STAGE 
Major Flooding 21.7 ft Moderate Flooding 20 ft Minor Flooding 19 ft Action 17 ft Reliability of the Forecast:
NOTE: Forecasts are issued routinely during the warm season, and as needed at other times of the year.
Stage may be affected by ice during winter months.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Flood Impacts
- 28.2 - Ice jam will threaten city bridges.
- 28.2 - Ice jam will threaten city bridges.
- 24 - Severe ice jamming may threaten city bridges.
Gauge Info
| Coordinates | 47.6775, -104.155 |
| RFC | MBRFC |
| State | MT |
| WFO | GGW |
| County | Richland |
| Data Provider(s) | |
| US Geological Survey | USGS--Water Resources of the United States |
| USGS | 06329500 |
Gauge Location
Recent Crests
| 1. | 17.83 ft | on 03-02-2025 |
| 2. | 19.59 ft | on 03-24-2019 |
| 3. | 16.87 ft | on 06-02-2018 |
| 4. | 18.29 ft | on 03-26-2018 |
| 5. | 14.41 ft | on 06-10-2017 |
Recent Crests
| 1. | 17.83 ft | on 03-02-2025 | |
| 2. | 19.59 ft | on 03-24-2019 | |
| 3. | 16.87 ft | on 06-02-2018 | |
| 4. | 18.29 ft | on 03-26-2018 | |
| 5. | 14.41 ft | on 06-10-2017 | |
| 6. | 15.93 ft | on 03-12-2014 | |
| 7. | 21.92 ft | on 05-25-2011 | |
| 8. | 22.08 ft | on 03-19-2011 | |
| 9. | 14.64 ft | on 06-30-2008 | |
| 10. | 13.49 ft | on 06-29-2005 | |
| 11. | 13.53 ft | on 06-05-2003 | |
| 12. | 13.35 ft | on 03-18-2003 | |
| 13. | 14.27 ft | on 06-26-1999 | |
| 14. | 18.73 ft | on 06-17-1997 | |
| 15. | 16.47 ft | on 06-17-1996 | |
| 16. | 19.48 ft | on 03-14-1996 | |
| 17. | 24.03 ft | on 03-06-1994 | |
| 18. | 19.60 ft | on 02-27-1986 | |
| 19. | 19.57 ft | on 03-19-1979 | |
| 20. | 20.02 ft | on 05-23-1978 | |
| 21. | 0.00 ft | on 03-15-1972 | |
| 22. | 21.67 ft | on 02-17-1971 | |
| 23. | 21.00 ft | on 03-21-1969 | |
| 24. | 21.65 ft | on 06-16-1965 | |
| 25. | 19.14 ft | on 03-21-1959 | |
| 26. | 0.00 ft | on 03-31-1952 | |
| 27. | 21.85 ft | on 03-22-1947 | 1 |
| 28. | 16.78 ft | on 06-21-1944 | 1 |
| 29. | 0.00 ft | on 03-29-1943 | 1 |
| 30. | 9.40 ft | on 07-01-1927 | 1 |
| 31. | 11.20 ft | on 10-03-1923 | 1 |
| 32. | 12.60 ft | on 06-21-1921 | 1 |
| 33. | 10.80 ft | on 06-20-1918 | 1 |
| 34. | 9.40 ft | on 06-23-1916 | 1 |
| 35. | 10.20 ft | on 03-29-1912 | 1 |
Historic Crests
| 1. | 24.03 ft | on 03-06-1994 | |
| 2. | 22.08 ft | on 03-19-2011 | |
| 3. | 21.92 ft | on 05-25-2011 | |
| 4. | 21.85 ft | on 03-22-1947 | 1 |
| 5. | 21.67 ft | on 02-17-1971 |
Historic Crests
| 1. | 24.03 ft | on 03-06-1994 | |
| 2. | 22.08 ft | on 03-19-2011 | |
| 3. | 21.92 ft | on 05-25-2011 | |
| 4. | 21.85 ft | on 03-22-1947 | 1 |
| 5. | 21.67 ft | on 02-17-1971 | |
| 6. | 21.65 ft | on 06-16-1965 | |
| 7. | 21.00 ft | on 03-21-1969 | |
| 8. | 20.02 ft | on 05-23-1978 | |
| 9. | 19.60 ft | on 02-27-1986 | |
| 10. | 19.59 ft | on 03-24-2019 | |
| 11. | 19.57 ft | on 03-19-1979 | |
| 12. | 19.48 ft | on 03-14-1996 | |
| 13. | 19.14 ft | on 03-21-1959 | |
| 14. | 18.73 ft | on 06-17-1997 | |
| 15. | 18.29 ft | on 03-26-2018 | |
| 16. | 17.83 ft | on 03-02-2025 | |
| 17. | 16.87 ft | on 06-02-2018 | |
| 18. | 16.78 ft | on 06-21-1944 | 1 |
| 19. | 16.47 ft | on 06-17-1996 | |
| 20. | 15.93 ft | on 03-12-2014 | |
| 21. | 14.64 ft | on 06-30-2008 | |
| 22. | 14.41 ft | on 06-10-2017 | |
| 23. | 14.27 ft | on 06-26-1999 | |
| 24. | 13.53 ft | on 06-05-2003 | |
| 25. | 13.49 ft | on 06-29-2005 | |
| 26. | 13.35 ft | on 03-18-2003 | |
| 27. | 12.60 ft | on 06-21-1921 | 1 |
| 28. | 11.20 ft | on 10-03-1923 | 1 |
| 29. | 10.80 ft | on 06-20-1918 | 1 |
| 30. | 10.20 ft | on 03-29-1912 | 1 |
| 31. | 9.40 ft | on 07-01-1927 | 1 |
| 32. | 9.40 ft | on 06-23-1916 | 1 |
| 33. | 0.00 ft | on 03-15-1972 | |
| 34. | 0.00 ft | on 03-31-1952 | |
| 35. | 0.00 ft | on 03-29-1943 | 1 |
Unique Local Info
Collaborative Agencies
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.