Colorado Snowpack & River Runoff
Snow-water equivalent by basin and the seasonal runoff outlook for Colorado'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 |
|---|---|---|---|---|---|
| Animas River | San Juan | — | 0.1" / 0.0" | ~May 29 | 29% |
| Arkansas River | Arkansas Valley | — | 0.0" / 0.0" | ~Jun 5 | 44% |
| Blue River | Western Slope | — | 0.0" / 0.0" | ~Jun 5 | 27% |
| Cache la Poudre River | Front Range | — | 0.1" / 0.0" | ~Jun 18 | — |
| Colorado River | Western Slope | — | 0.0" / 0.0" | ~Jun 23 | 19% |
| Conejos River | San Luis Valley | — | 0.0" / 0.0" | ~May 25 | 31% |
| Crystal River | Western Slope | — | 0.0" / 0.0" | ~Jun 10 | — |
| Eagle River | Western Slope | — | 0.1" / 0.0" | ~Jun 1 | 17% |
| East River | Western Slope | — | 0.0" / 0.0" | ~May 21 | 21% |
| Frying Pan River | Western Slope | — | 0.0" / 0.0" | ~May 30 | — |
| Gunnison River | Western Slope | — | 0.0" / 0.0" | ~May 27 | 17% |
| Lake Fork of the Gunnison River | Western Slope | — | — | ~May 27 | 24% |
| Rio Grande | San Luis Valley | — | 0.2" / 0.0" | ~May 29 | 25% |
| Roaring Fork River | Western Slope | — | 0.0" / 0.0" | ~Jun 10 | 20% |
| South Platte River | Front Range | — | 0.0" / 0.0" | ~Jun 6 | — |
| Taylor River | Western Slope | — | 0.0" / 0.0" | ~May 21 | — |
| Yampa River | Western Slope | — | 0.0" / 0.0" | ~Jun 27 | 20% |