River stage
Ulm, Missouri River
- River level
- 3.14 ft
- Status
- Below flood stage
- 7-day change
- +0.27 ft
- Recent high
- 5.16 ft
- Recent low
- 2.63 ft
Last reported 2026-10-13 | NWS ULMM8
- 30-day change
- +0.24 ft
- Average
- 3.09 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 17.00 ft
In brief
The Missouri River at Ulm, MT read 3.14 ft on Oct 13, 2026, 9.86 ft below action stage. That is 0.24 ft higher than 30 days earlier.
Source: National Weather Service gauge ULMM8
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 17.00 ft | 1953-06-01 |
| 2 | 16.00 ft | 1948-06-01 |
| 3 | 15.48 ft | 2011-06-11 |
| 4 | 15.20 ft | 1997-06-17 |
| 5 | 14.99 ft | 1981-05-24 |
| 6 | 14.64 ft | 1975-06-22 |
| 7 | 14.44 ft | 1973-06-22 |
| 8 | 14.44 ft | 1964-06-22 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 13.00 ft
Low lying fields flood.
- 13.40 ft
June 2018 - At 13.4 feet minor low land flooding between Ulm and Great Falls. Most flooding in the flood Plain.
- 15.00 ft
Woodland Estates Road floods. Agricultural fields flood. Water floods marina along lower river road.
- 16.00 ft
Country Club golf course in Great Falls floods.
- 17.00 ft
Homes in the Country Club area in Great Falls flood.
- 19.00 ft
Lower river road floods. Woodland Estates innundated. Fox Farm Road near Heritage Inn floods.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Missouri River flooding at Ulm?
No. The Missouri River at Ulm is at 3.14 ft, 9.86 ft below action stage.
What is the flood stage at Ulm?
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 Ulm?
The highest crest on record is 17.0 ft, on 1953-06-01.
Is the Missouri River high or low right now at Ulm?
At 3.14 ft it is higher than 73% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge ULMM8); daily history from the U.S. Geological Survey (site 06078200). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.