Heat Advisory
2026-03-20T20:00:00-07:00

* WHAT...Very hot conditions with temperatures 80 to 90 degrees near the coast, near 100 to 105 inland. Hottest weather likely on Thursday and Friday. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Monday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures for the upcoming week will be 20 to 30 degrees above normal for this time of year, where record breaking heat is likely.


Santa Margarita River Paddle Report

Last Updated: 2025-06-28

The Santa Margarita River, located in southern California, is a popular destination for whitewater enthusiasts.


Summary

The ideal streamflow range for this river is between 200-500 cfs, with higher flows occurring during the winter months. The river is rated as a class II-III, with some sections reaching class IV during high water levels. The river spans over 30 miles, with the most popular segment being the Whitewater River Run, which covers approximately 6.5 miles.

The Whitewater River Run features several exciting rapids and obstacles, including Devil's Hole, a class III rapid with a large boulder in the center, and the Narrows, a narrow section of the river with fast-moving water and large boulders. Other notable rapids include Pinball, S-Turn, and the Elevator.

There are specific regulations in place for the Santa Margarita River, including a permit system operated by the San Diego County Parks and Recreation Department. All boaters must obtain a permit before accessing the river, and there are restrictions on the number of daily permits issued. Additionally, boaters are required to wear personal flotation devices and adhere to Leave No Trace principles.

Overall, the Santa Margarita River offers a thrilling whitewater experience for both novice and experienced boaters. However, it is important to check current streamflow levels and adhere to all regulations to ensure a safe and enjoyable trip.



°F

°F

mph

Wind

%

Humidity


15-Day Weather Outlook


River Run Details

Last Updated 2025-06-28
River Levels 10 cfs (2.12 ft)
Percent of Normal 57%
Status
Class Level ii-iii
Elevation ft
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 11044350
       

5-Day Hourly Forecast Detail