Record Setting High Water Projected For The Northern Rockies

Record Setting High Water Projected For The Northern Rockies

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Record Setting High Water Projected For The Northern Rockies

Rafting the South Fork of the Salmon River in Idaho | Photo: | Cover: cjuneau

  • Streamflows to reach upwards of 130% in areas of Montana and northern Idaho
  • Wyoming’s Upper Snake to reach 108% of average streamflow

A wall of water is lurking in the mountains of Idaho, Montana, and Wyoming as long spring days melt a historic snowpack. From the Salmon to the Snake, river rats are chomping at the bit for what is likely to be the longest high water season these areas have seen in the past decade.

Related: Spring Is Arriving Nearly A Month Earlier At Some National Parks

Northern Idaho and Montana will see the highest flows compared to average, while areas of western Wyoming also endure big high water events.

“Idaho’s highest snowpacks relative to normal remain along the Idaho-Montana border and Upper Snake with a few basins pushing 130% of normal. This includes the Selway drainage in Idaho’s Clearwater basin, and Pacific, Buffalo and Gros Venture drainages in the Snake River headwaters of Wyoming.” – United States Department Of Agriculture

The Colorado River basin on the other is measuring well below average for this time of year and flows will likely be meager as we head into May.

Links To Water Supply Outlooks [State by State]:

Westwide SNOTEL:

Idaho SNOTEL:

Montana SNOTEL:

Wyoming SNOTEL:

 

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