Air Stagnation Advisory
2025-12-16T05:00:00-07:00

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

Headwaters To Wilderness Boundary Paddle Report

Paddle Report

Idaho

Last Updated: 2025-12-11

The Whitewater River Run Headwaters to Wilderness Boundary in Idaho is a challenging segment of the Middle Fork Salmon River.

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Summary

The ideal streamflow range for this segment is between 1,000 and 7,000 cubic feet per second (cfs), which can vary depending on the time of year and weather conditions. This segment has a class rating of III-IV, which means it is suitable for experienced paddlers with good control and maneuvering skills.

The segment covers a distance of 26 miles and is known for its beautiful scenic views and challenging rapids such as Big Mallard, Weber, and Hancock. Paddlers should also be aware of obstacles such as deadfall trees and rocks in some areas.

Specific regulations to the area include obtaining a permit from the United States Forest Service before embarking on the river run. The permit system is managed through a lottery system and requires participants to follow strict guidelines such as having a fire pan, packing out all garbage, and following Leave No Trace principles.

In conclusion, the Whitewater River Run Headwaters to Wilderness Boundary in Idaho offers a challenging and rewarding experience for experienced paddlers. It is important to follow regulations and guidelines to ensure the safety of the paddlers and preservation of the natural environment.

River Run Details

Last Updated	2025-12-11
River Levels	595 cfs (2.09 ft)
Percent of Normal	167%
Status
Class Level	None
Elevation	ft
Streamflow Discharge	cfs
Gauge Height	ft
Reporting Streamgage	USGS 13295000

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Air Stagnation Advisory
Until 2025-12-15T15:00:00-07:00 • National Weather Service
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.