Flood Watch
2025-12-19T13:00:00-08:00

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest California, including the following areas, Northern Humboldt Coast, Northern Humboldt Interior, Southern Humboldt Interior and Southwestern Humboldt. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - The frontal system has produced 2-4 inches of rain in the higher terrain and 1-2 inches in the lower elevations. Small streams are responding to this increase even as rain rates gradually diminish. - Some locations that may experience flooding include... Eureka, Arcata, Grizzly Creek Redwoods State Park, Willow Creek, Hoopa, Honeydew, Garberville, Orick, Richardson Grove State Park, Shelter Cove, Orleans, Fortuna, Rio Dell, Trinidad, Maple Creek, Bridgeville, Carlotta, Pepperwood, Scotia and McKinleyville. - http://www.weather.gov/safety/flood

Mad River (Segment 1) Paddle Report

Paddle Report

California

Last Updated: 2025-06-28

The Mad River (Segment 1) is a popular whitewater river run located in Northern California.

°F

mph

Wind

%

Humidity

Summary

The ideal streamflow range for this river run is between 800 and 2,000 cubic feet per second (cfs). The class rating of this segment is class III to IV, which makes it suitable for intermediate to advanced level whitewater enthusiasts.

This segment of the Mad River is approximately 10 miles long and includes several challenging rapids and obstacles such as Pinball, Triple Threat, and Mergatroid. These rapids offer exciting and challenging experiences for adventurous rafters and kayakers.

In terms of regulations, the Mad River (Segment 1) is managed by the Bureau of Land Management and requires a permit to access. Additionally, the use of personal flotation devices (PFDs) is mandatory for all participants. It is also recommended that participants have proper safety equipment and experience in whitewater rafting.

Overall, the Mad River (Segment 1) provides a thrilling whitewater experience for those seeking a challenging adventure. It is important to follow all regulations and guidelines to ensure the safety of all participants.

River Run Details

Last Updated	2025-06-28
River Levels	107 cfs (0.42 ft)
Percent of Normal	104%
Status
Class Level	iii
Elevation	ft
Streamflow Discharge	cfs
Gauge Height	ft
Reporting Streamgage	USGS 11478500

Explore Interactive Map

Flood Watch
Until 2025-12-19T13:00:00-08:00 • National Weather Service
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest California, including the following areas, Northern Humboldt Coast, Northern Humboldt Interior, Southern Humboldt Interior and Southwestern Humboldt. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - The frontal system has produced 2-4 inches of rain in the higher terrain and 1-2 inches in the lower elevations. Small streams are responding to this increase even as rain rates gradually diminish. - Some locations that may experience flooding include... Eureka, Arcata, Grizzly Creek Redwoods State Park, Willow Creek, Hoopa, Honeydew, Garberville, Orick, Richardson Grove State Park, Shelter Cove, Orleans, Fortuna, Rio Dell, Trinidad, Maple Creek, Bridgeville, Carlotta, Pepperwood, Scotia and McKinleyville. - http://www.weather.gov/safety/flood