Wyoming Snowpack & River Runoff
Snow-water equivalent by basin and the seasonal runoff outlook for Wyoming's rivers, translated into what it means for fishing — early or late runoff, high or low summer flows, and which waters hold up best. Updated daily through the snow season.
| River | Region | Basin snowpack | SWE now / normal | Median melt-out | Runoff forecast |
|---|---|---|---|---|---|
| Buffalo Fork River | Jackson Hole | — | 0.0" / 0.0" | ~Jun 28 | 75% |
| Greys River | Star Valley | — | 0.0" / 0.0" | ~Jun 12 | — |
| Gros Ventre River | Jackson Hole | — | 0.0" / 0.0" | ~Jun 6 | — |
| Hoback River | Jackson Hole | — | 0.0" / 0.0" | ~Jun 12 | — |
| New Fork River | Green River Basin | — | 0.0" / 0.0" | ~May 28 | 46% |
| Salt River | Star Valley | — | 0.1" / 0.0" | ~Jun 6 | 52% |
| Shoshone River | Bighorn Basin | — | 0.0" / 0.0" | ~Jun 26 | — |
| Snake River | Jackson Hole | — | 0.0" / 0.0" | ~Jun 28 | 73% |
| Upper Green River | Green River Basin | — | 0.1" / 0.0" | ~Jun 18 | 59% |
| Wind River | Wind River Country | — | 0.0" / 0.0" | ~Jun 26 | 93% |