# @westernwaterassessment on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DYXdN18lrW8
- **Gondola URL:** https://gondola.cc/posts/65832934-westernwaterassessment-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/d957741de5.jpg
- **Posted:** 2026-05-15T16:45:59.000+00:00
- **Account Owner:** Western Water Assessment (@WesternWaterAssessment) — https://gondola.cc/WesternWaterAssessment

## Caption

Seasonal #streamflow volume forecasts for all river basins in the region are below to much below average. In Colorado, seasonal streamflow volume forecasts suggest 20-40% of average runoff for all major river basins. In Utah, seasonal streamflow volume forecasts suggest 10-40% of average runoff for all major river basins. In Wyoming, streamflow forecasts were more variable, with a near average forecast for the Shoshone River Basin (91%), below average forecasts for the Yellowstone (81%), Snake (66%), Tongue (60%), Cheyenne (56%), and Powder (55%) River Basins, and forecasts below 50% of average in the remaining major river basins. Much below average inflow is forecasted for many regional reservoirs, including Flaming Gorge (39%), Boysen (37%), Deer Creek (36%), Navajo (27%), McPhee (27%), Blue Mesa (27%), Guernsey (23%), and Lake Powell (13%).

Learn more: https://wwa.colorado.edu/resources/intermountain-west-dashboard#latest-briefing

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## Tags

latest, streamflow

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