Streamflow discharge was last observed at 309 cfs, and a gauge height of 120.24 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 322 .
Weather today, Tomorrow,
Helens and sediment deposits from the 1980 eruption. The river has a few smaller tributaries, including the Green River and Gifford Pinchot National Forest. The seasonal flow of the Toutle River tends to peak in late spring or early summer due to snowmelt runoff, and it tends to be lower in the fall and winter months. One interesting fact about this river is that it was significantly altered by the eruption of Mount St. Helens, which deposited large amounts of sediment and created new channels for the river to flow through.
| Elevation | 129.0 ft |
| Last Updated | |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU) | 89.7 FNU |
| Gage height, ft | 120.24 ft |
| Streamflow, ft³/s | 309.0 ft3/s |
| Percent of Normal | 67% |
| Year Over Year Average | 465 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 29,900 cfs |