Rivers in Montana

Stillwater River (South Central MT) near Absarokee

Stillwater County, MontanaNWS SRAM8USGS 06205000Billings office

Below flood stage
1.55ftStage

Observed Thu, Oct 1, 11:15 PM MDT

Flood stage
7.50 ft
Record crest
10.49 ft2022

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood9.00 ft
Moderate flood8.00 ft
Minor flood7.50 ft
  1. 7.00 ftMinor flooding of farmland along the river begins.

Flood outlook

Chance of flooding, October to December

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.

Crest history

82 crests on NOAA’s list since 1943.

#DateStage
1June 13, 202210.49 ft
2June 15, 19677.17 ft
3June 2, 20207.17 ft
4June 18, 19747.14 ft
5June 6, 20177.13 ft
6June 19, 20187.01 ft
7June 11, 20246.98 ft
8June 7, 20196.98 ft
9July 6, 19756.97 ft
10June 30, 20116.86 ft
11June 28, 19706.69 ft
12July 3, 19486.63 ft
13June 6, 20216.60 ft
14July 27, 19446.44 ft
15May 29, 20146.39 ft
16June 12, 19916.34 ft
17July 10, 19836.32 ft
18June 23, 19716.27 ft
19June 16, 19926.22 ft
20July 1, 19436.21 ft
21June 11, 19976.17 ft
22June 5, 19576.16 ft
23June 8, 20236.11 ft
24June 29, 19826.06 ft
25June 2, 20156.06 ft

Most recent crests

  • June 11, 2024: 6.98 ft
  • June 8, 2023: 6.11 ft
  • June 13, 2022: 10.49 ft
  • June 6, 2021: 6.60 ft
  • June 2, 2020: 7.17 ft
  • June 7, 2019: 6.98 ft
  • June 19, 2018: 7.01 ft
  • June 6, 2017: 7.13 ft
  • June 10, 2016: 5.80 ft
  • June 2, 2015: 6.06 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice during winter months. River forecasts will be issued for this location when the water level reaches 1.5 feet from flood stage.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.