High Wind Watch
2026-03-05T09:00:00-08:00

* WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph possible. * WHERE...Eastern San Gabriel Mountains and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...From Wednesday evening through Thursday morning. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.


Mainstream - Headwaters To Confluence With Cooper Canyon Paddle Report

Last Updated: 2026-03-02

The Whitewater River, located in southern California, offers a popular whitewater rafting experience.


Summary

The ideal streamflow range for the Mainstream - Headwaters to Confluence with Cooper Canyon segment is between 200 and 400 cubic feet per second (cfs), which typically occurs during the spring months.

The class rating for this segment is considered to be Class III, with some Class IV rapids. The segment mileage is approximately 8.5 miles, and the river features several notable rapids and obstacles, including "The Chute," "S-turn," and "Rock Garden."

It is important to note that the Whitewater River is located on public land managed by the Bureau of Land Management, and therefore visitors must follow regulations and obtain the necessary permits. Additionally, the river is subject to seasonal closures due to fire danger and other safety concerns.



°F

°F

mph

Wind

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Humidity


15-Day Weather Outlook


River Run Details

Last Updated 2026-03-02
River Levels 54 cfs (1.85 ft)
Percent of Normal 344%
Status
Class Level iii-iv
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 10263500
       

5-Day Hourly Forecast Detail