Winter Weather Advisory
2025-12-06T14:00:00-07:00

* WHAT...Snow expected. Additional snow accumulations of 8 to 15 inches from Cloud Peak and Granite Pass northward. Snow amounts of 1 to 5 inches south of Powder River Pass. * WHERE...Bighorn Mountains West. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...Snow is expected to lighten in intensity between 8AM and 2PM Friday, with accumulations generally between 1 and 3 inches. Moderate to heavy snowfall begins after 3PM Friday and continues through the overnight hours, this is when a bulk of the additional snow accumulations will occur.


Porcupine Creek Paddle Report

Last Updated: 2025-06-28

Porcupine Creek, located in the Shoshone National Forest in Wyoming, is a challenging Class III-V whitewater run that is ideal for experienced paddlers.


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Summary

The ideal streamflow range for this river is between 800 and 2,000 cfs, with the best season for paddling being in the spring when the snowmelt increases the water levels.

The run covers approximately 10 miles, with the first four miles being the most challenging. This section includes steep drops, tight chutes, and technical rapids such as Pinball and the Notch. The remaining six miles are less challenging, with Class II-III rapids.

One of the most significant obstacles on Porcupine Creek is the Notch, a narrow slot that requires precise navigation through a series of technical moves. Other notable rapids on the run include Pinball, Double Drop, and the Flume.

The Shoshone National Forest manages the area, and visitors are required to adhere to specific regulations. A permit is necessary to access the river, and visitors must follow Leave No Trace principles. Additionally, visitors must pack out all trash and avoid camping within 200 feet of the water.

In summary, Porcupine Creek is a challenging Class III-V whitewater run in Wyoming that demands experience and skill from paddlers. The ideal streamflow range is between 800 and 2,000 cfs, and the run covers approximately 10 miles. The most challenging section is the first four miles, which includes technical rapids like Pinball and the Notch. Visitors must adhere to specific regulations, including obtaining a permit and adhering to Leave No Trace principles.

River Run Details

Last Updated 2025-06-28
River Levels 10300 cfs (7.1 ft)
Percent of Normal 17%
Status
Class Level iii-v
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 06279500
       

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