2025-12-24T22:00:00-08:00
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Apple and Lucerne Valleys, Coachella Valley, Orange County Coastal Areas, Orange County Inland Areas, Riverside County Mountains, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Gorgonio Pass near Banning and Santa Ana Mountains and Foothills. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Mud and debris flow are possible near and in burn scars, including the Airport, Bridge and Line burn scars. * ADDITIONAL DETAILS... - An Atmospheric River will likely bring widespread moderate to heavy rain to the region late Tuesday through Wednesday. Showers could begin to develop as early as Tuesday evening, especially in the mountains. Heaviest and most widespread rain is expected Wednesday morning continuing through the afternoon in the Coachella Valley and in the mountains. Peak rainfall rates of 0.50 to 1 inch per hour are expected. There is a potential for locally heavier hourly rainfall rates to develop with convection embedded in the main rain band or in thunderstorms after the main band passes. Scattered locally heavy showers could continue into Thursday but impacts from any additional rain are expected to be more localized. -Snow levels are expected to remain above 8000 ft during period of heaviest precipitation bringing a heightened risk of mud slides, debris flow, and areas of flash flooding in the San Bernardino county mountains. - https://www.weather.gov/safety/flood
Summary
The ideal streamflow range for this segment is between 200-400 cfs, which provides challenging conditions without being too dangerous. The class rating for this section of the creek is Class IV-V, with some steep drops and technical rapids. The segment mileage is approximately 6 miles, with some challenging rapids and obstacles throughout the run, including "Missionary Falls," "Tetanus," and "Nemesis."
Due to the technical nature of this run, there are specific regulations in place for paddlers. All boaters must have a whitewater rescue certification, and helmets and life jackets are required at all times. The run is also only open during specific times of the year, typically in the spring and early summer, when water levels are high enough for safe navigation. Paddlers should be aware of the potential hazards on this run, including undercut rocks and pinning hazards.
Overall, the North Fork Mission Creek is a challenging and exciting whitewater run for experienced paddlers. It is important to research current streamflow conditions and follow all regulations and safety guidelines to ensure a safe and enjoyable experience on the water.
River Run Details
| Last Updated | |
| River Levels | 0 cfs (0.48 ft) |
| Percent of Normal | +100% |
| Optimal Range | 200-400 cfs |
| Status | Too Low |
| Class Level | iv-v |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 10255900 |
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