Winter Weather Advisory
2026-02-09T17:00:00-07:00

* WHAT...Snow expected. Total snow accumulations of 7 to 12 inches south and east of the Lower Loop of Yellowstone National Park. Isolated higher amounts up to 15 inches are possible over the highest terrain. Total accumulations of 3 to 6 inches along the Upper Loop and northern portions of the Lower Loop. Accumulations of 1 to 3 inches near Mammoth. Gusty 25 to 35 mph winds are expected. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...The period of heaviest snowfall is forecast to occur between 11 PM Sunday and 11 AM Monday with snow rates up to 1 inch per hour possible.


The Headwaters To The Southern Yellowstone National Park Boundary Paddle Report

Last Updated: 2026-02-05

The Whitewater River Run from the Headwaters to the Southern Yellowstone National Park Boundary in Wyoming is a thrilling adventure for experienced whitewater rafters.


Summary

The ideal streamflow range for this run is between 500 and 2,000 cfs, which typically occurs during the spring and early summer months.

The class rating for this run ranges from class II to class IV, with the most challenging rapids found in the last 6 miles of the run. The total segment mileage is approximately 20 miles, with the last 10 miles being the most challenging.

Some of the specific river rapids and obstacles on this run include the Pine Creek Rapid, which is a class IV rapid with a steep drop and a large boulder on the left side. Another challenging rapid is the Toilet Bowl, which is a class III/IV rapid with a tricky entrance and a large hole in the middle.

There are specific regulations to the area that must be followed. For example, all rafters must wear personal flotation devices and helmets, and no glass containers are allowed on the river. Additionally, all rafts must have a throwable flotation device and a whistle.

Overall, the Whitewater River Run is a thrilling and challenging adventure for experienced whitewater rafters who are prepared for the specific river rapids and obstacles that are present on this run.



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15-Day Weather Outlook


River Run Details

Last Updated 2026-02-05
River Levels 2730 cfs (5.26 ft)
Percent of Normal 89%
Status
Class Level ii-iv
Elevation ft
Run Length 29.0 Mi
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 13010065
       

5-Day Hourly Forecast Detail