2026-02-25T00:00:00-08:00
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northwest California, including the following areas, Coastal Del Norte, Del Norte Interior, Mendocino Coast, Northeastern Mendocino Interior, Northern Humboldt Coast, Northern Humboldt Interior, Northern Lake, Northern Trinity, Northwestern Mendocino Interior, Southeastern Mendocino Interior, Southern Humboldt Interior, Southern Lake, Southern Trinity, Southwestern Humboldt and Southwestern Mendocino Interior. * WHEN...From Monday evening through Tuesday evening. * 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. * ADDITIONAL DETAILS... - A prolonged duration of moderate to heavy rain is expected. - http://www.weather.gov/safety/flood
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.
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15-Day Weather Outlook
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 |
5-Day Hourly Forecast Detail
Nearby Streamflow Levels
Van Duzen R Nr Bridgeville Ca
|
461cfs |
Sf Trinity R Bl Hyampom Ca
|
903cfs |
Redwood C Nr Blue Lake Ca
|
161cfs |
Eel R A Scotia Ca
|
13300cfs |
Trinity R Nr Burnt Ranch Ca
|
1300cfs |
Mad R Nr Arcata Ca
|
1840cfs |
Mad River (Segment 1)
Mad River (Segment 2)
From The Old Town Site At Falk In Sec. 36, T4N, R1W, H.M. To To The Headwaters In Sec. 14 T3N, R1E, H.M.