Early May Snowpack Update & Streamflow Forecast

Early May Snowpack Update & Streamflow Forecast

Walter made a snowpack and streamflow update on his business website. Rather than reinventing the wheel, go check it out.

In sum, we had an early start to the spring melt due to downright not weather the last few days of April, but early May is forecast to be cool and wet. This should stall the HEAVY runoff until at least May 15-20 and will certainly lead to good fishing on the Yellowstone, Boulder, and Stillwater once the first flush of runoff drops out in a couple days.

Overall, snowpack is low. We expect low streamflows and an early start to most summer fishing as the water drop sooner than usual. This is good for late June and early July fishing. It’s not so good for late July and August fishing, when we anticipate low flows and warm water that might prompt “early-on, early-off” trips for optimum results as well as some mandatory closures in warm, low-elevation waters. These waters are mostly in Montana, though it’ll be a short season on the Firehole this June.

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