* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations of 2 to 4 inches over Lolo Pass and 3 to 6 inches over Lost Trail Pass. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 3 PM Wednesday to 9 AM MST Thursday. * IMPACTS...Winter traveling conditions. 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 evening and Thursday morning commutes, especially over higher passes.
The ideal streamflow range for this run is between 800-2000 cfs, which typically occurs in the late spring and early summer months. The segment mileage for this run is approximately 10 miles, with a class rating of III-IV.
Specific river rapids and obstacles on Rock Creek include House Rock, a large boulder in the middle of the river that requires precise navigation, and the Staircase, a series of drops and chutes that require technical maneuvering. Other notable rapids include Fang, Thunderbolt, and Big Rock.
There are specific regulations in place for the Rock Creek area, including a permit requirement for commercial outfitters and a limit on the number of launches per day. In addition, boaters are required to follow Leave No Trace principles and pack out all trash and waste.
Wind
Humidity
| Last Updated | 2025-06-28 |
| River Levels | 485 cfs (3.01 ft) |
| Percent of Normal | 51% |
| Status | |
| Class Level | None |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 12332000 |
| Location | Reservations | Toilets |
|---|---|---|
West Fork of Rock Creek Cabin
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Stony Campground
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Squaw Rock
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Stony Cabin
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Cy's Place
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Morrison Camp
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