Rivers in Montana
Jefferson River near Twin Bridges
Below flood stage
3.15ftStage
Observed Tue, Sep 29, 2:15 PM MDT
- Flood stage
- 10.00 ft
- Record crest
- 12.42 ft1997
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 12.00 ft |
| Moderate flood | 11.00 ft |
| Minor flood | 10.00 ft |
| Action | 9.00 ft |
- 10.50 ftFebruary 2019...River stage near 10.5 feet between Twin Bridges and Silver Star. No flooding reported. Cause is an ice jam. The start of the ice jam was north of Silver Star.
- 9.30 ftMay 30 2018 - Around 9.3 feet, flooding continues downstream around Cardwell. Cardwell post office has water by it. Cardwell School is surrounded by water. Homes along this portion of the Jefferson River surrounded by water and basements flood.
- 9.10 ftMay 30 2018 - Around 9.1 feet, flooding begins downstream around Cardwell.
Flood outlook
Chance of flooding, October to December
| 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 September 23, 2026.
Crest history
41 crests on NOAA’s list since 1958.
| # | Date | Stage |
|---|---|---|
| 1 | June 9, 1997 | 12.42 ft |
| 2 | June 11, 1996 | 12.00 ft |
| 3 | December 14, 2000 | 11.25 ft |
| 4 | February 11, 2019 | 10.50 ft |
| 5 | January 7, 1999 | 10.35 ft |
| 6 | June 1, 2003 | 10.31 ft |
| 7 | May 31, 1999 | 10.08 ft |
| 8 | June 11, 2011 | 9.89 ft |
| 9 | June 12, 2011 | 9.70 ft |
| 10 | June 27, 1998 | 9.66 ft |
| 11 | June 2, 2009 | 9.58 ft |
| 12 | May 22, 2008 | 9.58 ft |
| 13 | June 11, 2006 | 9.44 ft |
| 14 | January 15, 2007 | 9.34 ft |
| 15 | June 19, 2010 | 9.33 ft |
| 16 | June 10, 1964 | 9.04 ft |
| 17 | January 3, 2004 | 8.79 ft |
| 18 | January 2, 2005 | 8.78 ft |
| 19 | January 2, 2002 | 8.52 ft |
| 20 | June 3, 2002 | 8.37 ft |
| 21 | June 3, 1972 | 8.25 ft |
| 22 | June 18, 1965 | 8.13 ft |
| 23 | June 10, 1970 | 7.69 ft |
| 24 | June 8, 1967 | 7.55 ft |
| 25 | May 22, 1969 | 7.51 ft |
Most recent crests
- February 11, 2019: 10.50 ft
- April 28, 2012: 7.34 ft
- June 12, 2011: 9.70 ft
- June 11, 2011: 9.89 ft
- June 19, 2010: 9.33 ft
- June 2, 2009: 9.58 ft
- May 22, 2008: 9.58 ft
- June 9, 2007: 7.47 ft
- January 15, 2007: 9.34 ft
- June 11, 2006: 9.44 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 may be affected by ice during winter months.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.