Stillwater River at Lawrence Park at Kalispell, MT
River level and flood forecast · Flathead County
Normal2.8 ftas of Mon 7:45 PM
The river is 4.7 ft below flood stage (7.5 ft).
Forecast to hold near 2.8 ft through Mon, Oct 19, 6 PM.
Flow: 83 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 3:36 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Flood stage | 7.5 ft |
| Action stage | 7 ft |
| Record crest (May 19, 2011) | 8.39 ft |
What floods at each level
From the National Weather Service, highest first.
- 7.5 ftFlooding affects low lying areas adjacent to the river including homeowners yards and driveways along Nicholson drive in Kalispell.
Highest crests on record
- 8.39 ft — May 19, 2011
- 7.87 ft — June 12, 2011
- 7.23 ft — May 12, 2018
- 7.12 ft — May 23, 2008
- 6.99 ft — June 21, 2022
Recent crests: 4.64 ft (May 17, 2025) · 6.99 ft (June 21, 2022) · 5.71 ft (May 29, 2021) · 5.5 ft (June 3, 2020) · 7.23 ft (May 12, 2018)
Up and down the river, and nearby
- Flathead River at Foys Bend near Kalispell, MT
- Whitefish River near Kalispell, MT
- Flathead River at Columbia Falls, MT
- South Fork Flathead River near Columbia Falls, MT
- Swan River near Bigfork, MT
- North Fork Flathead River near Columbia Falls, MT
- Middle Fork Flathead River near West Glacier, MT
- Flathead River near Polson, MT
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SRLM8); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.