Boulder River (Central MT) near Boulder
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 4:15 AM MST 12/16/25
Status: Not Defined
Stage: 5.36 ft
Flow: 0.0898 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:15 AM 12/16 | 5.36 | 0.0898 |
| 4:00 AM 12/16 | 5.36 | 0.0898 |
| 3:45 AM 12/16 | 5.36 | 0.0898 |
| 3:30 AM 12/16 | 5.36 | 0.0898 |
| 3:15 AM 12/16 | 5.36 | 0.0898 |
| 3:00 AM 12/16 | 5.37 | 0.0916 |
| 2:45 AM 12/16 | 5.37 | 0.0916 |
| 2:30 AM 12/16 | 5.37 | 0.0916 |
| 2:15 AM 12/16 | 5.38 | 0.0934 |
| 2:00 AM 12/16 | 5.39 | 0.0952 |
| 1:45 AM 12/16 | 5.39 | 0.0952 |
| 1:30 AM 12/16 | 5.39 | 0.0952 |
| 1:15 AM 12/16 | 5.39 | 0.0952 |
| 1:00 AM 12/16 | 5.4 | 0.097 |
| 12:45 AM 12/16 | 5.4 | 0.097 |
| 12:30 AM 12/16 | 5.41 | 0.0987 |
| 12:15 AM 12/16 | 5.42 | 0.1 |
| 12:00 AM 12/16 | 5.43 | 0.102 |
| 11:45 PM 12/15 | 5.43 | 0.102 |
| 11:30 PM 12/15 | 5.44 | 0.104 |
| 11:15 PM 12/15 | 5.44 | 0.104 |
| 11:00 PM 12/15 | 5.44 | 0.104 |
| 10:45 PM 12/15 | 5.44 | 0.104 |
| 10:30 PM 12/15 | 5.45 | 0.106 |
| 10:15 PM 12/15 | 5.45 | 0.106 |
| 10:00 PM 12/15 | 5.45 | 0.106 |
| 9:45 PM 12/15 | 5.46 | 0.107 |
| 9:30 PM 12/15 | 5.45 | 0.106 |
| 9:15 PM 12/15 | 5.45 | 0.106 |
| 9:00 PM 12/15 | 5.44 | 0.104 |
10' -
Water starting to impact rural roads south of Boulder
9' -
Water into fields and pastures.
8' -
At 8.0 Feet...runoff from the Boulder River into the Jefferson River starts to add to the impacts on how fast the river guage on the Jefferson River near Three Forks goes up/down. (June 2017)
| Date | Stage (ft) |
|---|---|
| May 22, 1981 | 12.3 |
| Jun 9, 1964 | 10.9 |
| Jun 19, 1975 | 10.9 |
| May 22, 1948 | 10.37 |
| May 28, 1938 | 10.24 |
| Jun 7, 2011 | 10.15 |
| Jun 25, 1965 | 10.05 |
| May 31, 1967 | 10.03 |
| May 26, 1942 | 9.98 |
| Jun 3, 1953 | 9.91 |
| May 25, 1929 | 9.9 |
| May 29, 1943 | 9.78 |
| Jun 2, 1972 | 9.71 |
| May 22, 1956 | 9.71 |
| May 9, 1947 | 9.69 |
| Jun 12, 1968 | 9.65 |
| May 27, 1970 | 9.59 |
| May 29, 1971 | 9.49 |
| May 26, 1963 | 9.42 |
| Jun 7, 1959 | 9.39 |
Data provided by the National Weather Service.
