Winter Weather Advisory
2025-12-05T11:00:00-07:00

...PROLONGED SNOW EVENT... .A plume of snow will continue to impacted north central Idaho into west central and southwest Montana tonight. The snow activity will decrease in intensity during the day on Friday, then a second plume of precipitation will impact the region late Friday through Saturday. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 3 inches in the valleys and 4 to 9 inches in the higher terrain and mountain passes. * WHERE...Highway 28 Tendoy to Lone Pine, Lemhi Pass, Shoup, Bannock Pass, Williams Creek Summit, Highway 93 Lost Trail Pass to Gibbonsville, and Salmon. * WHEN...From 5 PM this afternoon to 11 AM MST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes, especially over higher passes.

Headwaters To Hammer Creek Paddle Report

Paddle Report

Idaho

Last Updated: 2020-07-08

The Whitewater River Run from Headwaters To Hammer Creek in Idaho is a popular destination for adrenaline junkies looking for a challenging rafting experience.

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Summary

The ideal streamflow range for this run is between 700 and 2,000 cfs, ensuring a thrilling ride with plenty of rapids to navigate.

This run is rated as a Class III-IV, with some sections reaching Class V during high water levels. It covers a distance of approximately 19 miles and features several rapids and obstacles, including the notorious "Devil's Tooth" rapid.

Specific regulations to the area include a permit requirement for commercial rafting companies and a minimum age limit of 14 years for rafters. Additionally, all rafters must wear a personal flotation device and follow Leave No Trace principles to ensure minimal environmental impact.

River Run Details

Last Updated	2020-07-08
River Levels	12 cfs (0.65 ft)
Percent of Normal	141%
Status
Class Level	iii-iv
Elevation	ft
Streamflow Discharge	cfs
Gauge Height	ft
Reporting Streamgage	USGS 13306336

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Winter Weather Advisory
Until 2025-12-05T11:00:00-07:00 • National Weather Service
...PROLONGED SNOW EVENT... .A plume of snow will continue to impacted north central Idaho into west central and southwest Montana tonight. The snow activity will decrease in intensity during the day on Friday, then a second plume of precipitation will impact the region late Friday through Saturday. * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 3 inches in the valleys and 4 to 9 inches in the higher terrain and mountain passes. * WHERE...Highway 28 Tendoy to Lone Pine, Lemhi Pass, Shoup, Bannock Pass, Williams Creek Summit, Highway 93 Lost Trail Pass to Gibbonsville, and Salmon. * WHEN...From 5 PM this afternoon to 11 AM MST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes, especially over higher passes.

HEADWATERS TO HAMMER CREEK

Paddle Report • Streamflow Levels • Weather Forecast

December 5, 2025

Last Updated	2020-07-08
River Levels	12 cfs (0.65 ft)
Percent of Normal	141%
Status
Class Level	iii-iv
Elevation	ft
Streamflow Discharge	cfs
Gauge Height	ft
Reporting Streamgage	USGS 13306336

Realtime River Levels

USGS 13306336

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Weather Forecast

Nearby Streamflow Levels

Blackbird Creek Near Cobalt 12.4cfs	12cfs
Mf Salmon River At Mf Lodge Nr Yellow Pine Id 552.0cfs	552cfs
Middle Fork Salmon River At Mouth Nr Shoup Id 1090.0cfs	1090cfs
Napias Creek Below Arnett Creek Near Leesburg 6.49cfs	6cfs
Salmon River Nr Shoup Id 1620.0cfs	1620cfs
Pahsimeroi River At Ellis Id 216.0cfs	216cfs