Rivers in Montana

Boulder River (Central MT) near Boulder

Jefferson County, MontanaNWS BLDM8USGS 06033000Great Falls office

No flood stages set
4.94ftStage

Observed Sat, Sep 26, 9:15 PM MDT

Record crest
12.30 ft1981

Open the live map with the river flood outlook

Flood stages and impacts

  1. 10.00 ftWater starting to impact rural roads south of Boulder
  2. 9.00 ftWater into fields and pastures.
  3. 8.00 ftAt 8.0 Feet...runoff from the Boulder River into the Jefferson River starts to add to the impacts on how fast the river guage on the Jefferson River near Three Forks goes up/down. (June 2017)

Crest history

74 crests on NOAA’s list since 1929.

#DateStage
1May 22, 198112.30 ft
2June 9, 196410.90 ft
3June 19, 197510.90 ft
4May 22, 194810.37 ft
5May 28, 193810.24 ft
6June 7, 201110.15 ft
7June 25, 196510.05 ft
8May 31, 196710.03 ft
9May 26, 19429.98 ft
10June 3, 19539.91 ft
11May 25, 19299.90 ft
12May 29, 19439.78 ft
13May 22, 19569.71 ft
14June 2, 19729.71 ft
15May 9, 19479.69 ft
16June 12, 19689.65 ft
17May 27, 19709.59 ft
18May 29, 19719.49 ft
19May 26, 19639.42 ft
20June 7, 19599.39 ft
21May 27, 19619.37 ft
22May 21, 19589.37 ft
23June 6, 19959.34 ft
24May 24, 19519.33 ft
25June 7, 19699.25 ft

Most recent crests

  • April 27, 2012: 7.78 ft
  • June 7, 2011: 10.15 ft
  • June 17, 2010: 9.14 ft
  • May 30, 2009: 8.41 ft
  • June 15, 2008: 7.79 ft
  • June 8, 2007: 6.69 ft
  • May 18, 2006: 7.54 ft
  • June 4, 2005: 7.82 ft
  • June 11, 2004: 6.82 ft
  • May 27, 2003: 7.78 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are not available. Only observed stages are available for this point. Stage may be affected by ice during winter months.

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.