Flash Flood Warning issued for parts of LA County

Powerful storm system brings heavy rain, wind, and potential flooding to Southern California

Published on Feb. 17, 2026

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A Flash Flood Warning has been issued for portions of Los Angeles County as a strong storm system moves across the region, bringing heavy rain, high winds, and the threat of flooding. The first in a trio of storms expected to hit Southern California this week, the system is forecast to produce 1 to 3 inches of rainfall in coastal and valley areas, and 2 to 5 inches in the mountains by late Monday.

Why it matters

Severe weather events like this can pose significant risks to public safety, infrastructure, and property, especially in areas that have recently experienced wildfires and are more vulnerable to flash flooding and mudslides. Authorities have issued evacuation warnings for residents living in burn scar areas as a precaution.

The details

The National Weather Service has issued a Flash Flood Warning for parts of Los Angeles County as the storm system moves through the region. A Wind Advisory is also in effect from 6 a.m. to 6 p.m. Monday. Forecasters are calling for about 1 to 3 inches of rain in coastal and valley areas, and 2 to 5 inches in the mountains by late Monday.

  • The first storm is expected to be the heaviest and produce the greatest overall rainfall totals by late Monday.

The players

National Weather Service

The federal agency responsible for weather forecasting and issuing weather-related warnings and advisories.

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The takeaway

This severe weather event highlights the importance of emergency preparedness and heeding warnings from local authorities, especially for residents living in areas vulnerable to flash flooding and mudslides. Residents should stay informed, have a plan, and be ready to act quickly if necessary to protect themselves and their property.