2025-12-11T17:00:00-07:00
Near-record precipitation is possible this week as two Atmospheric Rivers will move through the region. The first one arrives today and continues through Tuesday, followed by a second, stronger one Tuesday night through Thursday. Between 4 and 10 inches of moderate to heavy rain are expected in the mountains. For some locations, near record rainfall amounts are possible. The rain, falling on the current snowpack, combined with mild nighttime temperatures will increase snowmelt. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of central and panhandle Idaho, including the following counties, in central Idaho, Idaho. In panhandle Idaho, Clearwater. * WHEN...From 5 PM MST /4 PM PST/ this afternoon through Thursday afternoon. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at risk from landslides. * ADDITIONAL DETAILS... - A prolonged atmospheric river is expected to bring periods of heavy rain to Idaho and Clearwater Counties, Monday night through Thursday. Rising snow levels will lead to a rain on snow event for elevations below 7,000 feet Monday night into Tuesday morning. The precipitation rates will briefly decrease Tuesday afternoon, before a second surge of moisture arrives Tuesday night into Thursday morning with snow levels rising to near 8,000 feet. By Thursday, significant precipitation totals are forecast, with 2 to 5 inches in the valleys and 5 to 10 inches in the mountains, with locally higher totals over mountain crests. Landslides in areas of steep terrain and minor flooding in urban and poor drainage areas is possible. - https://www.weather.gov/mso/hydrology
Summary
The ideal streamflow range for this river is between 1,000 to 5,000 cfs, with the best time to run it being in the late spring and early summer. The river is rated as a Class III-IV, meaning it has moderate to difficult rapids and requires skilled paddlers.
The segment mileage of the Selway River run is approximately 47 miles, starting from Section 16, T31N, R13E to its headwaters. The river is known for its technical rapids, such as the Moose Creek Falls and the Ladle Rapid, which require precise maneuvering and strong paddling skills. The river also offers stunning views of the surrounding wilderness, making it a popular destination for adventure-seekers.
The Selway River is regulated by the United States Forest Service and the National Park Service. All visitors are required to obtain a permit before entering the area. The permit system is designed to limit the number of people and groups allowed on the river to protect the natural beauty and wilderness experience of the area. Additionally, visitors are required to follow leave-no-trace principles and pack out all waste.
In conclusion, the Selway River offers a challenging and exciting whitewater river run with technical rapids and stunning wilderness views. The ideal streamflow range is between 1,000 to 5,000 cfs, and the river is rated as a Class III-IV. Visitors must obtain a permit and follow regulations to protect the natural beauty of the area.
River Run Details
| Last Updated | 2025-12-09 |
| River Levels | 8660 cfs (6.42 ft) |
| Percent of Normal | 89% |
| Status | |
| Class Level | iii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 13307000 |
Selway River, Sec. 16, T31N, R13E To Headwaters
32nd Street to Smelter
Sec. 28, T30N, R13E To Boundary Selway-Bitterroot Wilderness
Selway River, Sec. 10, T32N, R12E To Headwaters All Forks
Wilderness Boundary To Headwaters
Paradise to Selway Falls