Marias River near Shelby
Critical Stages
8' - Action
9' - Flood
13' - Moderate
15' - Major
Latest Observation
Updated: 7:30 PM MST 12/10/25
Status: No Flooding
Stage: 3.5 ft
Flow: 0.609 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 8:30 PM 12/10 | 3.5 | 0.609 |
| 8:15 PM 12/10 | 3.5 | 0.609 |
| 8:00 PM 12/10 | 3.5 | 0.609 |
| 7:45 PM 12/10 | 3.5 | 0.609 |
| 7:30 PM 12/10 | 3.5 | 0.609 |
| 7:15 PM 12/10 | 3.5 | 0.609 |
| 7:00 PM 12/10 | 3.5 | 0.609 |
| 6:45 PM 12/10 | 3.49 | 0.603 |
| 6:30 PM 12/10 | 3.5 | 0.609 |
| 6:15 PM 12/10 | 3.49 | 0.603 |
| 6:00 PM 12/10 | 3.49 | 0.603 |
| 5:45 PM 12/10 | 3.48 | 0.597 |
| 5:30 PM 12/10 | 3.49 | 0.603 |
| 5:15 PM 12/10 | 3.49 | 0.603 |
| 5:00 PM 12/10 | 3.49 | 0.603 |
| 4:45 PM 12/10 | 3.48 | 0.597 |
| 4:30 PM 12/10 | 3.48 | 0.597 |
| 4:15 PM 12/10 | 3.49 | 0.603 |
| 4:00 PM 12/10 | 3.49 | 0.603 |
| 3:45 PM 12/10 | 3.49 | 0.603 |
| 3:30 PM 12/10 | 3.49 | 0.603 |
| 3:15 PM 12/10 | 3.49 | 0.603 |
| 3:00 PM 12/10 | 3.49 | 0.603 |
| 2:45 PM 12/10 | 3.48 | 0.597 |
| 2:30 PM 12/10 | 3.48 | 0.597 |
| 2:15 PM 12/10 | 3.49 | 0.603 |
| 2:00 PM 12/10 | 3.48 | 0.597 |
| 1:45 PM 12/10 | 3.49 | 0.603 |
| 1:30 PM 12/10 | 3.49 | 0.603 |
| 1:15 PM 12/10 | 3.49 | 0.603 |
14.5' -
Water encroaches onto Interstate 15. Traffic is blocked. Some ranchers and other residents need to prepare for evacuation.
11.5' -
A fairway on golf course floods. Williamson Park almost completely innundated.
9' -
Water floods east and northeast portions of Williamson Park. Low spots on golf course flood.
| Date | Stage (ft) |
|---|---|
| Jun 9, 1964 | 23.64 |
| Jun 20, 1975 | 18.21 |
| Jun 18, 1948 | 17.75 |
| Mar 12, 1996 | 16.05 |
| Jan 27, 2011 | 13.96 |
| Jun 5, 1953 | 12.77 |
| Feb 24, 1998 | 12.58 |
| Feb 25, 1986 | 12.58 |
| Jun 11, 2002 | 12.3 |
| Jun 10, 2011 | 12.11 |
| Mar 10, 2014 | 11.72 |
| Mar 13, 1972 | 11.57 |
| Jun 5, 1995 | 11.57 |
| Jun 8, 1995 | 11.57 |
| Mar 18, 1969 | 11.12 |
| May 26, 2008 | 11.03 |
| Feb 6, 1962 | 10.74 |
| Jun 19, 2014 | 10.61 |
| Feb 28, 1957 | 10.58 |
| Jun 21, 2018 | 9.96 |
Data provided by the National Weather Service.