Snake and Green River Wyoming

Spring Snake River Flows
April 14, 2015
Upper Green River Wyoming
April 28, 2015
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Snake and Green River Wyoming

Jackson Hole fly fishing Guides

Snowpack levels 4/20/2105

Snake and Green River Wyoming Runoff Projections


The runoff has officially started on the Snake River and here’s how we’re looking for the Snake and Green River Wyoming Runoff Projections, as of today. The snowpack in the Upper Snake River Basin is 76% of the average and the Green River Basin is at 80%. (See chart below). Based on the snow levels being where they are currently, as compared to other years, this is my best guess.

Jackson Hole fly fishing Guides

Snowpack levels 4/20/2105

With this warm spell its hard to say exactly whats going to happen, but at this point I’m thinking that the Snake River will be fishable come late June or early July this season. BUT……you never know and hopefully the Old Farmer’s Almanac precipitation forecast proves me wrong. See the graph below, which calls for good moisture in June and August, which we could really use!

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Old Farmer’s Almanac Precipitation Outlook

Here’s what NOAA has for the Snake River Runoff as of now and this is some of the info that I based my guess on for when the Snake might be fishing. This is for the area south of town where Flat Creek

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NOAA Snake River Flow Projection



The chart below shows the runoff prediction for the Green River flows at the Warren Bridge area. Based on this report, we are planning to start guiding there around Memorial day on the Upper reaches and mid June in the middle and lower reaches. We may have a few days of salmon fly action if the water clears from now until then, hopefully.

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Green River Runoff Prediction


Please feel free to give us a call with any questions or to book your trip @ 307.739.7020. Thanks and hope to see you out on the water this summer!

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