Rivers in Idaho
Weiser River at Cambridge
Below flood stage
2.91ftStage
Observed Sun, Sep 20, 8:15 AM MDT
- Flood stage
- 12.00 ft
- Forecast crest
- 2.76 ftSat, Sep 19, 6:00 PM MDT
- Record crest
- 15.90 ft1964
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 14.50 ft |
| Moderate flood | 13.00 ft |
| Minor flood | 12.00 ft |
| Action | 11.50 ft |
- 14.00 ftWater will impact the trailer court in Cambridge. Many county roads will be flooded and impassable. Water will flood homes near the river around Cambridge and Midvale not protected by levees.
- 13.50 ftWater will cover portions of Bain Road and Goodrich Road. Some homes near the river east of Cambridge will be surrounded by water and some outbuildings will be flooded. Water will approach the top of the levee protecting Mundo RV Park.
- 13.00 ftFlooding of fields and agricultural land near the river will occur from Mundo RV Park downstream through the Cambridge and Midvale areas. Water will cover portions of Old Highway Road in the canyon just south of Cambridge. Water will begin flooding feedlots near the river between the Mill Road bridge and the Highway 95 bridge east of Cambridge. Water will approach some homes between Selubia Bridge and the canyon just south of Cambridge. Debris may begin piling up at bridges.
- 12.50 ftFlooding of fields and agricultural land adjacent to the river can be expected around Cambridge and Midvale.
- 12.00 ftMinor flooding of low lying areas near the river can be expected downstream of Cambridge.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 19, 2026.
Crest history
40 crests on NOAA’s list since 1958.
| # | Date | Stage |
|---|---|---|
| 1 | December 22, 1964 | 15.90 ft |
| 2 | January 1, 1997 | 14.54 ft |
| 3 | February 25, 1958 | 14.36 ft |
| 4 | April 9, 2019 | 14.05 ft |
| 5 | January 29, 1967 | 13.86 ft |
| 6 | February 3, 1963 | 13.51 ft |
| 7 | March 10, 2014 | 13.45 ft |
| 8 | June 5, 2010 | 13.20 ft |
| 9 | May 18, 1996 | 13.16 ft |
| 10 | February 29, 1972 | 12.84 ft |
| 11 | February 22, 1982 | 12.83 ft |
| 12 | January 24, 1970 | 12.67 ft |
| 13 | January 16, 1973 | 12.63 ft |
| 14 | January 17, 1974 | 12.57 ft |
| 15 | December 29, 2005 | 12.45 ft |
| 16 | December 15, 1977 | 12.11 ft |
| 17 | March 26, 1971 | 12.11 ft |
| 18 | March 14, 1983 | 11.73 ft |
| 19 | May 26, 1998 | 11.62 ft |
| 20 | March 9, 2017 | 11.60 ft |
| 21 | March 8, 1986 | 11.49 ft |
| 22 | March 26, 1999 | 11.49 ft |
| 23 | March 16, 2011 | 11.08 ft |
| 24 | April 15, 2002 | 10.95 ft |
| 25 | February 27, 2000 | 10.55 ft |
Most recent crests
- March 17, 2025: 8.39 ft
- January 22, 2024: 7.64 ft
- May 2, 2023: 8.79 ft
- May 7, 2022: 6.56 ft
- March 19, 2021: 7.82 ft
- May 1, 2020: 6.06 ft
- April 9, 2019: 14.05 ft
- March 23, 2018: 7.34 ft
- March 9, 2017: 11.60 ft
- March 10, 2014: 13.45 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.