Clark Fork River near Drummond, MT
River level and flood forecast · Granite County
Normal3.2 ftas of Mon 2:15 PM
The river is 4.8 ft below flood stage (8 ft).
Forecast to hold near 3.2 ft through Mon, Oct 19, 12 PM.
Flow: 559 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:35 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 11.5 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 8 ft |
| Action stage | 7 ft |
| Record crest (February 9, 1996) | 10.03 ft |
What floods at each level
From the National Weather Service, highest first.
- 11.5 ftSevere flooding affects homes in Drummond. Specifically the flooding threatens homes and roads in the southern section of Drummond.
- 10 ftFlooding likely in low lying areas adjacent to the river channel. Drummond city park and rodeo grounds are also affected.
- 8 ftRanchland and a few out buildings are flooded between Drummond and Bearmouth.
Highest crests on record
- 10.03 ft — February 9, 1996
- 9.79 ft — June 11, 2011
- 8.76 ft — June 21, 2018
- 8.39 ft — June 14, 2017
- 7.71 ft — March 14, 2003
Recent crests: 4 ft (May 19, 2025) · 7.01 ft (May 22, 2020) · 8.76 ft (June 21, 2018) · 8.39 ft (June 14, 2017) · 9.79 ft (June 11, 2011)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (DRMM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.