Frost Advisory
2026-04-03T09:00:00-07:00

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Interior Del Norte, Coastal and Interior Humboldt, Coastal and Interior Mendocino, Northern and Western Lake County * WHEN...From 1 AM to 9 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Fog may form in some valleys, which could raise temperatures and reduce the risk of frost. Confidence is low on which valleys will see fog. Valleys that remain clear could see temperatures near or below freezing.


From Its Headwaters In Sec. 18, T5s, R2e, Hm To From Shelter Cove Road Paddle Report

Last Updated: 2026-04-01

The Whitewater River in California is a popular destination for rafting and kayaking enthusiasts.


Summary

The headwaters of the river are located in Sec. 18, T5S, R2E, Hm and flow for approximately 30 miles before reaching the Pacific Ocean. The ideal streamflow range for whitewater rafting on the Whitewater River is between 300-800 cubic feet per second (cfs). The river is rated as Class II-IV, depending on the section being navigated. The segment mileage varies depending on the put-in and take-out points, but popular runs include the 10-mile section between Whitewater Preserve and Bonnie Bell, and the 6-mile section between Snow Creek and Painted Canyon.

The Whitewater River features a variety of rapids and obstacles, including boulder gardens, drops, and narrow chutes. Some of the most notable rapids include the Meatgrinder, which is a Class IV rapid located near Bonnie Bell, and the Painted Canyon rapid, which is a technical Class III rapid. It is important to note that the Whitewater River is subject to flash floods and can be dangerous during high water events.

There are specific regulations in place for the Whitewater River area, including restrictions on alcohol and drug use, and requirements for personal flotation devices (PFDs) and helmets. Additionally, permits may be required for certain sections of the river, and there may be restrictions on camping and fires in the surrounding areas.



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15-Day Weather Outlook


River Run Details

Last Updated 2026-04-01
River Levels 47 cfs (8.9 ft)
Percent of Normal 7%
Status
Class Level ii-iv
Elevation ft
Run Length 3.0 Mi
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 11468900
       

5-Day Hourly Forecast Detail