Rivers in Idaho
St Joe River at St Maries
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 38.00 ft |
| Moderate flood | 36.00 ft |
| Minor flood | 32.50 ft |
| Action | 31.00 ft |
- 36.50 ftExtensive lowland flooding will occur along the St Joe and St Maries River valleys. Water will be several feet deep around the homes on Highway 3 between Delphi Lane and Goosehaven Dr. The southwest corner of the IGA parking lot will be flooded and approaching Zip's drivethrough. The corner of 1st and Riverside will be flooded, water will be around the building east of 1st street, and Riverside will Ave be flooded at the Highway 3 undercrossing. Parking lots at Highway 3 and Milwaukee Rd will be flooded.
- 36.00 ftExtensive lowland flooding is likely. Some sections of the St Joe River Road may be inundated. Water will approach the flood gates in the levee at the Aqua Park.
- 35.00 ftWater will be up to Aqua Avenue in St Maries near Leeve hill and walking trail.
- 33.00 ftWater may be over St Joe City Road, east of St. Maries to Calder.
- 32.50 ftMinor flooding will occur throughout the low lying areas of the St Joe Valley. Water will be observed behind levees due to seepage. Minor flooding of the Aqua Park's boat launch and swim beach along the river's edge. Outbuildings along the river that are not behind levees may be flooded.
Crest history
39 crests on NOAA’s list since 1933.
| # | Date | Stage |
|---|---|---|
| 1 | December 23, 1933 | 42.20 ft |
| 2 | February 10, 1996 | 42.00 ft |
| 3 | January 16, 1974 | 41.40 ft |
| 4 | December 24, 1964 | 39.40 ft |
| 5 | May 29, 1948 | 39.20 ft |
| 6 | May 17, 1997 | 39.00 ft |
| 7 | March 20, 2017 | 38.42 ft |
| 8 | April 23, 1956 | 37.80 ft |
| 9 | February 22, 1982 | 37.79 ft |
| 10 | May 21, 2008 | 36.94 ft |
| 11 | November 30, 1995 | 36.40 ft |
| 12 | May 6, 1979 | 36.40 ft |
| 13 | April 28, 2012 | 36.28 ft |
| 14 | April 15, 2002 | 36.19 ft |
| 15 | May 18, 1972 | 36.00 ft |
| 16 | January 18, 2011 | 35.97 ft |
| 17 | May 17, 2011 | 35.76 ft |
| 18 | April 25, 1996 | 35.47 ft |
| 19 | April 11, 1976 | 35.40 ft |
| 20 | May 17, 1975 | 34.40 ft |
| 21 | March 11, 2014 | 34.39 ft |
| 22 | December 27, 1980 | 34.15 ft |
| 23 | November 6, 1990 | 34.03 ft |
| 24 | April 1, 2012 | 33.90 ft |
| 25 | June 15, 2022 | 33.61 ft |
Most recent crests
- March 29, 2025: 30.55 ft
- June 4, 2024: 29.22 ft
- May 6, 2023: 33.23 ft
- June 15, 2022: 33.61 ft
- June 3, 2021: 29.36 ft
- May 22, 2020: 30.56 ft
- April 11, 2019: 31.66 ft
- May 11, 2018: 33.18 ft
- March 20, 2017: 38.42 ft
- March 15, 2016: 29.80 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 during winter months. Gauge readings can be affected by backwater from downstream lake.
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.