Rivers in Montana
Smith River (MT) at Truly
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 15.00 ft |
| Moderate flood | 12.00 ft |
| Minor flood | 9.00 ft |
| Action | 8.00 ft |
- 12.00 ftRiver flooding buildings on Hastings Ranch.
- 9.00 ftRiver out of banks and flooding grain and hay crops.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 26, 2026.
Crest history
19 crests on NOAA’s list since 1907.
| # | Date | Stage |
|---|---|---|
| 1 | June 4, 1953 | 22.50 ft |
| 2 | June 10, 2011 | 10.25 ft |
| 3 | June 15, 1967 | 9.80 ft |
| 4 | June 24, 1907 | 9.00 ft |
| 5 | May 26, 2011 | 8.78 ft |
| 6 | May 26, 2008 | 7.96 ft |
| 7 | June 4, 2005 | 7.55 ft |
| 8 | May 3, 2004 | 7.40 ft |
| 9 | June 11, 2006 | 7.30 ft |
| 10 | June 5, 2010 | 7.19 ft |
| 11 | May 20, 2010 | 7.17 ft |
| 12 | June 22, 2010 | 7.08 ft |
| 13 | June 4, 2013 | 6.85 ft |
| 14 | May 26, 2014 | 6.14 ft |
| 15 | June 7, 2012 | 5.74 ft |
| 16 | June 3, 2015 | 5.53 ft |
| 17 | May 21, 2009 | 5.22 ft |
| 18 | April 24, 2010 | 5.18 ft |
| 19 | May 30, 2003 | 4.77 ft |
Most recent crests
- June 3, 2015: 5.53 ft
- May 26, 2014: 6.14 ft
- June 4, 2013: 6.85 ft
- June 7, 2012: 5.74 ft
- June 10, 2011: 10.25 ft
- May 26, 2011: 8.78 ft
- June 22, 2010: 7.08 ft
- June 5, 2010: 7.19 ft
- May 20, 2010: 7.17 ft
- April 24, 2010: 5.18 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage measured manually and reported by river observer. No automated gauge on-site.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.