* WHAT...Flooding caused by excessive rainfall is possible. Rock and mud slides are possible near steep terrain and along canyon roads. Debris flows are possible on recent burn scars. * WHERE...A portion of southwest California, including the following counties, Los Angeles and Ventura Counties. * WHEN...From this evening through late tonight. * IMPACTS...Flash flooding is possible. Excessive runoff may result in flooding of low-lying and flood-prone locations, including creeks and streams. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Extensive street flooding is possible. * ADDITIONAL DETAILS... - A line of heavy showers and thunderstorms will sweep across the region this evening through tonight, bringing the risk for flash flooding, rock and mud slides, and burn-scar debris flows across the Flood Watch area. Flooding and burn-scar debris flows are not expected for areas above the snow level, of approximately 4500 feet elevation, where snow will fall instead of rain. - http://www.weather.gov/safety/flood
Get the latest Paddle Report, Streamflow Levels, and Weather Forecast for Cooper Canyon- Near State Highway 2 (Sw 1/4, Ne 1/4, Sec 16, T3n, R10w To Confluence With Little Rock Creek in California. California Streamflow Levels and Weather Forecast
Wind
Humidity
| Last Updated | 2026-02-07 |
| River Levels | 54 cfs (1.85 ft) |
| Percent of Normal | 210% |
| Status | |
| Class Level | None |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 10263500 |
| Location | Reservations | Toilets |
|---|---|---|
Cooper Canyon Trail Camp
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Devils Cyn
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Bandido Group Campground
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Horse Flats
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Horse Flat Campground
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Chilao Campground
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Cooper Canyon- Near State Highway 2 (Sw 1/4, Ne 1/4, Sec 16, T3N, R10W To Confluence With Little Rock Creek
Mainstream - Confluence With Cooper Canyon To Confluence Wit South Fork Little Rock Creek
Mainstream - Headwaters To Confluence With Cooper Canyon
Mainstream - Confluence With South Fork Little Rock Creek To Little Rock Creek Reservoir
North Fork - Confluence Of Soldier And Coldbrook Creeks (Se1/4,Sw1/4, Sec) 5, T2N,,R9W To Conflluence With West Fork Of San Gabriel (Sw 1/4,Sw1/4, Sec 17, T2N, R8W)
Gaging Station Below Spillway Of Cogswell Dam (Ne 1/4, Se 1/4, Sec 19, T2N, R10W) To Confluence With Nf San Gabriel River (Sw 1/4.Sw 1/4, Sec 15, T2N, R9W)