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.

Headwaters To Confluence With Alturas Lake Creek Paddle Report

Last Updated: 2026-04-12

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Summary

The Headwaters to Confluence with Alturas Lake Creek segment of the Whitewater River in Idaho is a popular kayaking and rafting destination. The ideal streamflow range for this segment is between 300 and 1,000 cubic feet per second (cfs). The class rating for this segment is Class II-III, with some sections reaching Class IV during high water conditions.

The segment has a total mileage of approximately 12 miles, with numerous rapids and obstacles along the way. Some of the most notable rapids include Trestle Rapids, Moon Falls, and Jake's Falls. Trestle Rapids is a Class III rapid with a large boulder in the middle of the river that creates a challenging obstacle for kayakers and rafters. Moon Falls is a Class IV rapid that requires precise navigation to avoid rocks and drops. Jake's Falls is a Class III+ rapid that features a steep drop and large waves.

There are specific regulations that apply to this segment of the Whitewater River. All boaters must wear personal flotation devices and helmets. Additionally, motorized watercraft are not allowed on this section of the river, and all boaters must adhere to Leave No Trace principles to preserve the natural environment around the river.

15-Day Long Term Forecast


River Run Details

Last Updated 2026-04-12
River Levels 595 cfs (2.09 ft)
Percent of Normal 197%
Status
Class Level ii-iii
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 13295000
       

5-Day Hourly Forecast Detail