Rivers in Idaho

Selway River near Lowell

Idaho County, IdahoNWS SELI1USGS 13336500Missoula office

Below flood stage
3.22ftStage

Observed Tue, Sep 22, 1:00 AM MDT

Flood stage
14.00 ft
Forecast crest
3.16 ftTue, Sep 22, 6:00 AM MDT
Record crest
16.04 ft1948

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood18.00 ft
Moderate flood16.00 ft
Minor flood14.00 ft
Action13.50 ft
  1. 14.00 ftFlooding of campgrounds along the river between lowell and selway falls is possible.
  2. 14.00 ftFlooding of campgrounds along the river between Lowell and Selway Falls is possible.

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 September 21, 2026.

Crest history

20 crests on NOAA’s list since 1947.

#DateStage
1May 29, 194816.04 ft
2June 2, 197214.68 ft
3June 16, 197414.43 ft
4June 8, 196414.39 ft
5May 24, 195614.28 ft
6May 6, 194913.95 ft
7May 8, 194713.71 ft
8May 17, 199713.70 ft
9May 31, 198413.36 ft
10May 19, 200812.98 ft
11May 31, 200312.94 ft
12June 5, 201012.65 ft
13May 11, 197612.54 ft
14June 17, 198212.27 ft
15May 30, 198612.25 ft
16June 12, 202212.18 ft
17November 30, 199511.62 ft
18June 1, 201710.75 ft
19May 11, 20259.93 ft
20December 12, 20257.69 ft

Most recent crests

  • December 12, 2025: 7.69 ft
  • May 11, 2025: 9.93 ft
  • June 12, 2022: 12.18 ft
  • June 1, 2017: 10.75 ft
  • June 5, 2010: 12.65 ft
  • May 19, 2008: 12.98 ft
  • May 31, 2003: 12.94 ft
  • May 17, 1997: 13.70 ft
  • November 30, 1995: 11.62 ft
  • May 30, 1986: 12.25 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.

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.