Flood Watch
2025-12-26T16:00:00-08:00

A series of warm atmospheric rivers will bring moderate to heavy rain to the Valley, foothills, and mountains the week of Christmas. The prolonged period of rain will bring the risk of flooding to the Sacramento Valley, northern San Joaquin Valley, northern Sierra Nevada and adjacent foothills, as well as the Coastal Range. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northern California, including the following areas, the Sacramento Valley, northern San Joaquin Valley, Delta region, Sierra Nevada and adjacent foothills, and Coastal Range. * WHEN...From Saturday afternoon through next Friday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - Periods of moderate to heavy rain are forecast the week of Christmas. Debris flows are not expected over recent burn scars, but do anticipate enhanced runoff in/below scars. - http://www.weather.gov/safety/flood


State Highway 108 To Donnell Reservoir Paddle Report

Last Updated: December 19, 2025

The Whitewater River Run is a popular destination for whitewater enthusiasts in California.


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Summary

This stretch of river, from State Highway 108 to Donnell Reservoir, spans approximately 8 miles and is rated as a class III-IV run, with some challenging rapids and obstacles that require skill and experience to navigate. The ideal streamflow range for this run is between 500-1000 cfs, which is generally found during the spring months when snowmelt is at its peak.

There are several notable rapids on this stretch of river, including "Deadman's Drop", "Satan's Cesspool", and "Pinball", all of which require precise maneuvering and quick decision-making. Other obstacles include boulder gardens, steep drops, and tight chutes, which add to the excitement and challenge of the run.

To ensure the safety of all participants, there are specific regulations that must be followed when running the Whitewater River. All participants must wear a properly fitting personal flotation device (PFD), and helmets are strongly recommended. Additionally, all boats must be equipped with a throw rope and a whistle, and all participants should have basic first aid and rescue training.

In conclusion, the Whitewater River Run from State Highway 108 to Donnell Reservoir is a thrilling and challenging stretch of river that requires skill and experience to navigate safely. With its class III-IV rating, ideal streamflow range, and challenging rapids and obstacles, this run is a popular destination for whitewater enthusiasts in California. However, it is important to follow all safety regulations and to have the necessary skills and equipment to ensure a safe and enjoyable experience.

River Run Details

Last Updated
River Levels 1 cfs ( ft)
Percent of Normal +100%
Optimal Range 500-1000 cfs
Status Too Low
Class Level iii-iv
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 11277100
       

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