Winter Weather Advisory
2025-12-05T23:00:00-07:00

* WHAT...Snow expected. Total snow accumulation 1-5 inches below 5000 feet, 4-8 above 5000 feet, with up to 8-12 inches in high elevation passes and summits. Snow levels rise Friday, mountain towns could see a switch from snow to rain. Gusts increase to 20-30 mph Friday night. * WHERE...Boise Mountains and West Central Mountains. * WHEN...From 5 PM this afternoon to 11 PM MST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. Locally heavy snowfall will limit visibilities.


Headwaters To Confluence With Alta Creek Paddle Report

Last Updated: 2025-12-03

The Whitewater River Run from Headwaters to Confluence with Alta Creek in Idaho is an exciting adventure for whitewater enthusiasts.


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Summary

The ideal streamflow range for this run is between 500-3000 cfs, which offers challenging rapids while still allowing for safe navigation. The segment mileage for this run is approximately 4 miles, with a class rating of III-IV. This class rating means that the rapids in this section of the river are moderate to difficult and require experienced paddlers with good control and maneuverability.

Some of the specific river rapids/obstacles that paddlers will encounter on this run include Pinball, the Corkscrew, and Box Car. Pinball is a series of large boulders that create a fast and technical rapid. The Corkscrew is a steep and twisting rapid that requires precise maneuvering. Box Car is a large boulder that creates a powerful hydraulic, which can be difficult to navigate.

Specific regulations to the area include a requirement for all paddlers to wear a personal flotation device (PFD) at all times and to have a whistle attached to their PFD. It is also recommended that paddlers have a helmet, appropriate footwear, and a drysuit or wetsuit for cold water conditions.

In conclusion, the Whitewater River Run from Headwaters to Confluence with Alta Creek in Idaho is a thrilling adventure for experienced paddlers. With an ideal streamflow range of 500-3000 cfs, a class rating of III-IV, and exciting rapids such as Pinball, the Corkscrew, and Box Car, this run offers a challenging and unforgettable experience. However, paddlers should be aware of specific regulations and safety measures to ensure a safe and enjoyable trip.

River Run Details

Last Updated 2025-12-03
River Levels 3320 cfs (4.82 ft)
Percent of Normal 85%
Status
Class Level None
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 13186000
       

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