Rivers in Idaho

South Fork Payette River at Lowman

Boise County, IdahoNWS PRLI1USGS 13235000Boise office

Below flood stage
3.29ftStage

Observed Fri, Oct 2, 11:30 AM MDT

Flood stage
7.50 ft
Forecast crest
3.30 ftFri, Oct 2, 12:00 PM MDT
Record crest
8.36 ft1974

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
Action7.00 ft
  1. 9.00 ftThe town of Lowman will experience record flooding with significant property damage.
  2. 8.50 ftHouses on both sides of the river in the lower section Lowman will flood. Sandbagging will be needed to prevent major damage. Portions of North Shore Drive, Ospree Drive and River Front Road will be flooded.
  3. 8.00 ftProperties downstream from the Highway 21 Bridge along North Shore Drive and along Osprey Drive on the south bank will flood. Water will reach the first floor of houses along the south bank. Flooding will occur upstream from the Highway 21 bridge along River Front Road. Rock Creek Road and Osprey Drive will be submerged in spots.
  4. 7.50 ftWater will approach houses on Osprey Drive along the south bank of the river, and sand bags will be needed to protect property. Water will begin seeping into property along North Shore Drive downstream from the Highway 21 bridge. Kirkham Hot Springs Recreational Area will be underwater.
  5. 7.00 ftWater will flood portions of the Kirkham Hot Springs Recreational Area and high flows will make recreation on and near the river very hazardous. The river will be filled with logs and other floating debris and bank erosion will occur near Lowman. Residents should be aware of increased river levels and prepare to protect property.

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 30, 2026.

Crest history

31 crests on NOAA’s list since 1956.

#DateStage
1June 16, 19748.36 ft
2June 5, 20108.12 ft
3May 20, 20067.72 ft
4June 1, 19867.58 ft
5May 31, 20177.56 ft
6June 11, 19727.49 ft
7May 24, 19567.45 ft
8June 20, 19827.27 ft
9May 29, 19837.26 ft
10May 18, 19977.22 ft
11May 31, 20037.20 ft
12April 26, 20127.16 ft
13June 24, 20117.06 ft
14May 29, 19997.05 ft
15June 9, 19966.95 ft
16May 21, 20086.90 ft
17June 13, 20226.81 ft
18May 31, 19846.68 ft
19May 23, 20236.67 ft
20May 28, 20146.43 ft
21May 11, 20256.38 ft
22June 1, 20096.33 ft
23June 4, 20246.32 ft
24June 4, 20196.23 ft
25May 26, 20186.01 ft

Most recent crests

  • May 11, 2025: 6.38 ft
  • June 4, 2024: 6.32 ft
  • May 23, 2023: 6.67 ft
  • June 13, 2022: 6.81 ft
  • June 5, 2021: 5.03 ft
  • May 31, 2020: 5.92 ft
  • June 4, 2019: 6.23 ft
  • May 26, 2018: 6.01 ft
  • May 31, 2017: 7.56 ft
  • May 9, 2016: 5.96 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. Stage may be affected by ice.

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.