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  1. Flash flood warnings were issued for Riverside County, Southern California, following weather alerts from the National Weather Service.

Flash Flood Warnings Issued for Riverside and San Bernardino Counties

1 report, 1 independent Updated Thu 00:00
AI-generated briefing. Brind wrote this from the reports listed below and has updated it as the story developed. It can be wrong. Each section says how much you can rely on it, and the sources are linked so you can check.

What happened

Some supportReported by 1 outlet

Heavy rain prompted the National Weather Service to issue flash flood warnings for Riverside County and San Bernardino County on September 24, 2026. The rainfall was part of a monsoon pattern and was not linked to Hurricanes Polo and Odalys. The severe weather led to a mudslide in an Inland Empire burn scar in San Bernardino County.

From latimes.com

Why it matters

Some supportBrind's analysis of the reports

The warnings were issued while the entities were under a flash flood watch. The mudslide occurred in an area prone to debris flows downhill from the burn scars. Authorities stated there was no threat to homes or residents in the affected areas.

From latimes.com

Who's involved

How it developed

Newest first. Tap a step to see who reported it.
  1. Storms in San Bernardino County caused mud and debris flows.Sub-event
  2. NWS warns of heavy rain and flash flooding in Riverside and San Bernardino counties.1 source

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