RIVER GAUGE · JEFFERSON RIVER
Jefferson River near Twin Bridges
Madison County, Montana
Water level2.75 ft
Flow444 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action9 ft11,200 cfs
Minor flood10 ft13,700 cfs
Moderate flood11 ft16,000 cfs
Major flood12 ft
The past week
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What floods at each level
- 10.5 ft
February 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.
- 9.3 ft
May 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.
- 9.1 ft
May 30 2018 - Around 9.1 feet, flooding begins downstream around Cardwell.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 8, 1997 | 12.42 ft | 15,200 cfs |
| Jun 10, 1996 | 12 ft | 13,100 cfs |
| Dec 13, 2000 | 11.25 ft | — |
More on Jefferson River
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