Winter Weather Advisory
2026-04-16T09:00:00-06:00

* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 3 to 7 inches above 5,000 feet, including area mountain passes. Total snow accumulations of up to 2 inches in lower elevation valley areas. * WHERE...Highway 93 Lost Trail Pass to Gibbonsville, Lemhi Pass, Williams Creek Summit, Salmon, Shoup, Highway 28 Tendoy to Lone Pine, and Bannock Pass. * WHEN...From 6 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives Wednesday evening across mountain pass areas.

Paddle Report

Idaho

Last Updated: 2023-06-13

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The Pahsimeroi to Royal Gorge section of the Salmon River in Idaho is a challenging river run that features Class III-IV rapids and several obstacles, including boulder gardens and technical drops.

Summary

The best time to float this section is typically in late May through early July when water levels range from 3,000-6,000 cfs. Rafters should be experienced and prepared for a demanding river run with narrow channels and swift currents. The scenery is stunning, with rugged canyon walls and scenic vistas, making this section a popular choice for experienced whitewater enthusiasts.

Regional Streamflow Levels

Pahsimeroi River At Ellis Id 173.0cfs	173cfs
Lemhi River Nr Lemhi Id 194.0cfs	194cfs
Blackbird Creek Near Cobalt 12.4cfs	12cfs
Lemhi River Below L5 Diversion Near Salmon 88.9cfs	89cfs
Squaw Creek Bl Bruno Creek Nr Clayton Id 62.6cfs	63cfs
Salmon River At Salmon Id 2890.0cfs	2890cfs

15-Day Long Term Forecast

River Run Details

Last Updated	2023-06-13
River Levels	1070 cfs (2.14 ft)
Percent of Normal	110%
Optimal Range	800-6000 cfs
Status	Runnable
Class Level	II- to III-
Elevation	3,922 ft
Streamflow Discharge	2890 cfs
Gauge Height	3.6 ft
Reporting Streamgage	USGS 13302500

Explore Interactive Map

Winter Weather Advisory
Until 2026-04-16T09:00:00-06:00 • National Weather Service
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 3 to 7 inches above 5,000 feet, including area mountain passes. Total snow accumulations of up to 2 inches in lower elevation valley areas. * WHERE...Highway 93 Lost Trail Pass to Gibbonsville, Lemhi Pass, Williams Creek Summit, Salmon, Shoup, Highway 28 Tendoy to Lone Pine, and Bannock Pass. * WHEN...From 6 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives Wednesday evening across mountain pass areas.