Missouri River near Ulm, MT
River level and flood forecast · Cascade County
Normal3.0 ftas of Mon 1:30 PM
The river is 10.5 ft below flood stage (13.5 ft).
Flow: 3,600 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 17 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 13.5 ft |
| Action stage | 13 ft |
| Record crest (June 1, 1953) | 17 ft |
What floods at each level
From the National Weather Service, highest first.
- 19 ftLower river road floods. Woodland Estates innundated. Fox Farm Road near Heritage Inn floods.
- 17 ftHomes in the Country Club area in Great Falls flood.
- 16 ftCountry Club golf course in Great Falls floods.
- 15 ftWoodland Estates Road floods. Agricultural fields flood. Water floods marina along lower river road.
- 13.4 ftJune 2018 - At 13.4 feet minor low land flooding between Ulm and Great Falls. Most flooding in the flood Plain.
- 13 ftLow lying fields flood.
Highest crests on record
- 17 ft — June 1, 1953
- 16 ft — June 1, 1948
- 15.48 ft — June 11, 2011
- 15.2 ft — June 17, 1997
- 14.99 ft — May 24, 1981
Recent crests: 13.99 ft (June 22, 2018) · 13.35 ft (June 3, 2018) · 9.06 ft (May 31, 2014) · 6 ft (June 5, 2013) · 6.69 ft (February 2, 2013)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ULMM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.