Winter Weather Advisory
2026-04-16T12:00:00-06:00

* WHAT...Snow expected above 7000 feet elevation. Total snow accumulations between 6 and 18 inches. 1 to 7 inches expected below 7000 feet elevation. Winds gusting as high as 45 mph. * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...From midnight tonight to noon MDT Thursday. * IMPACTS...Travel could be very difficult to impossible. Gusty winds could bring down tree branches.

Wilderness Boundary To Confluence With Middle Fork Salmon River Paddle Report

Last Updated: 2026-04-12

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The Wilderness Boundary to Confluence with Middle Fork Salmon River in Idaho is a popular whitewater river run that offers challenging class III-IV rapids.


Summary

The ideal streamflow range for this segment is between 1,000 and 3,000 cfs, which typically occurs between May and June. The segment covers approximately 15 miles and includes notable rapids such as Devil's Tooth and Granite Creek.

Devil's Tooth is a notorious class IV rapid that requires precise maneuvering through a narrow chute with a large boulder at the bottom. Granite Creek is another challenging rapid with multiple drops and tight turns that demand technical paddling skills. The segment also features several other class III rapids that offer fun and exciting challenges.

The area is regulated by the United States Forest Service, which requires all boaters to obtain a permit to access the river. Additionally, the agency has specific regulations in place to protect the environment and ensure visitor safety. For example, all boaters must carry a personal flotation device and abide by fire restrictions and waste disposal guidelines.

In summary, the Wilderness Boundary to Confluence with Middle Fork Salmon River in Idaho offers a thrilling whitewater experience for paddlers with intermediate to advanced skills. The segment requires precise maneuvering through challenging class III-IV rapids, and visitors must comply with specific regulations to ensure their safety and protect the environment.

15-Day Long Term Forecast


River Run Details

Last Updated 2026-04-12
River Levels 4320 cfs (4.34 ft)
Percent of Normal 219%
Status
Class Level iii-iv
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 13309220
       

5-Day Hourly Forecast Detail