* WHAT...Snow. There is a lull in snowfall this afternoon, however an additional 5 to 12 inches is possible starting tonight and continuing into early Thursday morning. Locally higher amounts are possible in the Big Holes and along the Montana border. Winds gusting as high as 40 mph at times are possible. * WHERE...Beaverhead - Lemhi Highlands, Big Hole Mountains, Centennial Mountains - Island Park, Bear Lake Valley, Blackfoot Mountains, and Caribou Range. * WHEN...Until 5 AM MST Thursday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.
The ideal streamflow range for this river run is between 500 and 2500 cfs. The river is rated as a class IV-V, making it suitable only for experienced rafters who have proper training and equipment. The segment mileage of the river run is approximately 5.5 miles, which includes the mainstem and the lower 2 miles of the North, South, and Siddoway Forks to one mile above the Trailhead.
The river rapids/obstacles on this run include many Class IV-V drops, narrow canyons, and steep drops. Some of the notable rapids and obstacles are the Powerhouse Rapid, the Flat Creek Rapid, the Jump Off, and the Propane Rapid. Rafters should be prepared for big waves, technical rapids, and strong currents.
The specific regulations to the area include obtaining a permit from the Bureau of Land Management (BLM) before embarking on the river run. The BLM also regulates the number of rafters allowed on the river run at any given time. Additionally, all rafters are required to wear personal flotation devices and follow Leave No Trace principles.
In conclusion, the Whitewater River run in Idaho is a challenging yet exhilarating experience for experienced rafters. The ideal streamflow range is between 500 and 2500 cfs, and the river is rated as a class IV-V. The segment mileage is approximately 5.5 miles, and rafters should be prepared for big waves, technical rapids, and strong currents. Specific regulations include obtaining a permit, following Leave No Trace principles, and wearing personal flotation devices.
Wind
Humidity
| Last Updated | 2026-02-07 |
| River Levels | 11800 cfs (8.59 ft) |
| Percent of Normal | 66% |
| Status | |
| Class Level | iv-v |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 13032500 |
Snake River Nr Irwin Id
|
900cfs |
Snake River Ab Reservoir Nr Alpine Wy
|
2630cfs |
Greys River Ab Reservoir Nr Alpine Wy
|
296cfs |
Fish Creek At Wilson
|
42cfs |
Flat Creek Bel Cache Creek
|
108cfs |
Salt River Ab Reservoir Nr Etna Wy
|
447cfs |
| Location | Reservations | Toilets |
|---|---|---|
Big Elk
|
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Blowout
|
||
Riverside Park
|
||
Calamity
|
||
Calamity Campground
|
||
Palisades Creek Campground
|
Mainstem And Lower 2 Miles Of North, South And Siddoway Forks To One Mile Above Trailhead
One Mile Above Trailhead To Trailhead
Source To Upper Palisades Lake
Palisade Dam to Lorenzo (South Fork)
South Fork Snake River
Confluence Of North Fork Palisades Creek And Corral Canyon To Palisades Campground