Yellowstone River near Sidney
Critical Stages
17' - Action
19' - Flood
20' - Moderate
21.7' - Major
Latest Observation
Updated: 3:00 AM MST 12/16/25
Status: No Flooding
Stage: 6.04 ft
Flow: 15.3 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 3:00 AM 12/16 | 6.04 | 15.3 |
| 2:45 AM 12/16 | 6.02 | 15.2 |
| 2:30 AM 12/16 | 6 | 15.1 |
| 2:15 AM 12/16 | 5.98 | 15.1 |
| 2:00 AM 12/16 | 5.96 | 15 |
| 1:45 AM 12/16 | 5.94 | 14.9 |
| 1:30 AM 12/16 | 5.93 | 14.9 |
| 1:15 AM 12/16 | 5.91 | 14.8 |
| 1:00 AM 12/16 | 5.9 | 14.8 |
| 12:45 AM 12/16 | 5.89 | 14.7 |
| 12:30 AM 12/16 | 5.88 | 14.7 |
| 12:15 AM 12/16 | 5.87 | 14.7 |
| 12:00 AM 12/16 | 5.86 | 14.6 |
| 11:45 PM 12/15 | 5.86 | 14.6 |
| 11:30 PM 12/15 | 5.86 | 14.6 |
| 11:15 PM 12/15 | 5.86 | 14.6 |
| 11:00 PM 12/15 | 5.86 | 14.6 |
| 10:45 PM 12/15 | 5.86 | 14.6 |
| 10:30 PM 12/15 | 5.87 | 14.7 |
| 10:15 PM 12/15 | 5.88 | 14.7 |
| 10:00 PM 12/15 | 5.88 | 14.7 |
| 9:45 PM 12/15 | 5.89 | 14.7 |
| 9:30 PM 12/15 | 5.89 | 14.7 |
| 9:15 PM 12/15 | 5.9 | 14.8 |
| 9:00 PM 12/15 | 5.91 | 14.8 |
| 8:45 PM 12/15 | 5.91 | 14.8 |
| 8:30 PM 12/15 | 5.92 | 14.8 |
| 8:15 PM 12/15 | 5.93 | 14.9 |
| 8:00 PM 12/15 | 5.93 | 14.9 |
| 7:45 PM 12/15 | 5.94 | 14.9 |
28.2' -
Ice jam will threaten city bridges.
28.2' -
Ice jam will threaten city bridges.
24' -
Severe ice jamming may threaten city bridges.
21' -
Richland Park north of Sidney begins to flood.
19' -
Flood stage. Expect low-land flooding to occur.
14' -
At stages of 14.0 feet and higher combined with 60,000 cfs or more will create under tow which can sweep people under water.
2.8' -
At river levels of 2.8 feet and lower, MDU power plant in Sidney needs to shut down due to lack of water in its intake pipe for the cooling towers.
| Date | Stage (ft) |
|---|---|
| Mar 6, 1994 | 24.03 |
| Mar 19, 2011 | 22.08 |
| May 25, 2011 | 21.92 |
| Mar 22, 1947 | 21.85 |
| Feb 17, 1971 | 21.67 |
| Jun 16, 1965 | 21.65 |
| Mar 21, 1969 | 21 |
| May 23, 1978 | 20.02 |
| Feb 27, 1986 | 19.6 |
| Mar 24, 2019 | 19.59 |
| Mar 19, 1979 | 19.57 |
| Mar 14, 1996 | 19.48 |
| Mar 21, 1959 | 19.14 |
| Jun 17, 1997 | 18.73 |
| Mar 26, 2018 | 18.29 |
| Mar 2, 2025 | 17.83 |
| Jun 2, 2018 | 16.87 |
| Jun 21, 1944 | 16.78 |
| Jun 17, 1996 | 16.47 |
| Mar 12, 2014 | 15.93 |
Data provided by the National Weather Service.
