
River stage
Fort Benton, Missouri River
- River level
- 2.09 ft
- Status
- Below flood stage
- 7-day change
- +0.08 ft
- Recent high
- 3.41 ft
- Recent low
- 1.83 ft
Last reported 2026-10-13 | NWS FBNM8
- 30-day change
- -0.03 ft
- Average
- 2.12 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 18.50 ft
In brief
The Missouri River at Fort Benton, MT read 2.09 ft on Oct 13, 2026, 10.91 ft below action stage. That is 0.03 ft lower than 30 days earlier.
Source: National Weather Service gauge FBNM8
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 18.50 ft | 1908-06-06 |
| 2 | 16.39 ft | 1996-02-09 |
| 3 | 14.37 ft | 1968-01-12 |
| 4 | 14.14 ft | 1973-01-11 |
| 5 | 14.00 ft | 1974-01-15 |
| 6 | 13.64 ft | 1984-01-30 |
| 7 | 13.57 ft | 1953-06-05 |
| 8 | 13.53 ft | 1970-01-18 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 10.00 ft
Right bank bankfull with overflow into willows.
- 13.00 ft
Minor flooding of sidewalk along left bank of river.
- 13.50 ft
Front Street floods.
- 18.50 ft
Inundation of Main, Franklin, and Washington Streets and all thoroughfares in between these and river.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Missouri River flooding at Fort Benton?
No. The Missouri River at Fort Benton is at 2.09 ft, 10.91 ft below action stage.
What is the flood stage at Fort Benton?
The National Weather Service sets action stage 13 ft, minor flooding 13.5 ft, moderate flooding 15 ft and major flooding 17 ft.
What is the highest the Missouri River has been at Fort Benton?
The highest crest on record is 18.5 ft, on 1908-06-06.
Is the Missouri River high or low right now at Fort Benton?
At 2.09 ft it is higher than 56% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge FBNM8); daily history from the U.S. Geological Survey (site 06090800). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.