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weather NWS severe Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Los Angeles County San Gabriel Valley October 17, 2026 at 4:11 PM

Red Flag Warning

...RISK FOR RAPID FIRE GROWTH AND EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS TODAY, DUE TO GUSTY SANTA ANA WINDS WITH VERY WARM AND DRY CONDITIONS...

Offshore winds are not as strong or widespread as the past couple of days, but will still create a risk for new fires to have rapid growth in wind prone areas of LA/Ventura counties due to the very warm and dry conditions. By this afternoon, offshore winds may weaken sufficiently to allow some Red Flag Warning areas to be cancelled early.

* AFFECTED AREA...Santa Clarita Valley, Ventura County Beaches, Ventura County Inland Coast, Lake Casitas, Ojai Valley, Central Ventura County Valleys, Malibu Coast, Calabasas and Agoura Hills, Western San Fernando Valley, Eastern San Fernando Valley, Southeastern Ventura County Valleys and Los Angeles County San Gabriel Valley.

* TIMING...Until 8 PM PDT this evening.

* WINDS...Northeast to east 15 to 25 mph with gusts of 30 to 40 mph, gradually diminishing in the afternoon. Strongest winds in Ventura county and eastern San Gabriel Valley foothills.

* RELATIVE HUMIDITY...Minimums of 10 to 20 percent common.

* IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.

Local conditions in Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Los Angeles County San Gabriel Valley may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.

Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.

Alert USA is tracking this developing situation and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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