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. 7, T4s, R1e, Hm To To Junction With N. Fork In Sec. 32, T3s, R1e, Hm Paddle Report

Last Updated: 2026-04-01

The Whitewater River Run in California begins in Sec.


Summary

7, T4S, R1E, Hm and flows for approximately 30 miles until it joins the North Fork in Sec. 32, T3S, R1E, Hm. The ideal streamflow range for this river is between 150-800 cubic feet per second (cfs) and the river is rated as a class III-IV, making it suitable for intermediate to advanced paddlers. The segment mileage varies depending on the put-in and take-out locations, with popular runs ranging from 4-10 miles.

The river features several notable rapids and obstacles, including the infamous "Dogleg" rapid which features a sharp turn and large boulder. Other notable features include "Pinball" and "Kurt's Corner." Paddlers should be prepared for technical rapids, tight turns, and potentially hazardous strainers.

Specific regulations for the area include a permit requirement for commercial guiding and limitations on group size. The river is also closed to boating during certain times of the year to protect spawning fish populations. Visitors should always check with local authorities for up-to-date information on regulations and closures.



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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 iii-iv
Elevation ft
Run Length 3.0 Mi
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 11468900
       

5-Day Hourly Forecast Detail