Rivers in Montana

Dearborn River near Craig

Lewis and Clark County, MontanaNWS DBRM8USGS 06073500Great Falls office

Below flood stage
3.08ftStage

Observed Mon, Sep 21, 10:15 PM MDT

Flood stage
6.50 ft
Record crest
13.50 ft1964

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood11.00 ft
Moderate flood8.00 ft
Minor flood6.50 ft
Action5.50 ft
  1. 6.50 ftRiver coming out of banks within reach of USGS gage, flooding field to north of river and west of Highway 287.
  2. 5.80 ftRiver is bankful. River is out of banks in isolated areas but with no significant impacts.

Flood outlook

Chance of flooding, September to November

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

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 26, 2026.

Crest history

60 crests on NOAA’s list since 1946.

#DateStage
1June 9, 196413.50 ft
2June 20, 201810.20 ft
3June 4, 19539.58 ft
4June 19, 19759.19 ft
5March 9, 19968.69 ft
6May 21, 19578.64 ft
7May 25, 20088.44 ft
8May 27, 20198.14 ft
9March 15, 19477.97 ft
10June 12, 19587.96 ft
11June 5, 19487.89 ft
12May 10, 20057.60 ft
13March 21, 19517.59 ft
14May 7, 19957.57 ft
15May 26, 19627.50 ft
16June 20, 19987.32 ft
17June 9, 20117.30 ft
18November 24, 19937.18 ft
19June 16, 19506.43 ft
20March 13, 20036.21 ft
21June 13, 19516.20 ft
22May 13, 19606.12 ft
23January 1, 19976.07 ft
24May 16, 19526.06 ft
25May 20, 20095.92 ft

Most recent crests

  • May 7, 2023: 5.85 ft
  • May 27, 2019: 8.14 ft
  • June 20, 2018: 10.20 ft
  • May 19, 2018: 5.72 ft
  • May 25, 2014: 5.08 ft
  • March 6, 2014: 5.48 ft
  • May 14, 2013: 4.81 ft
  • June 6, 2012: 4.68 ft
  • June 9, 2011: 7.30 ft
  • June 2, 2010: 5.00 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. The current flows in cubic feet per second, are approximate and may be affected by debris, aquatic growth, and seasonal ice in the river.

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.