Acorn Fire

Incident Updates

05/07/2026 6:27 PM

Forward rate of spread has stopped, firefighters are strengthening control lines.

Updated by: CAL FIRE Web Team

05/07/2026 6:18 PM

New incident in San Bernardino County- Acorn Fire, is 10 acres and 0% containted.

Updated by: CAL FIRE Web Team

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ALERTCalifornia | UC San Diego:

Table 1 - Cameras.alertcalifornia.org

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Icon	Description
	Active Incident
	Contained Incident
	Fires Less than 10 Acres
	Prescribed Fire
	Mudslide
	Flood
	Earthquake
	Lightning Activity
	Incident Perimeter ^{Reference 1}
	Evacuation Order ^{Reference 2}
	Evacuation Warning ^{Reference 3}
	Evacuation Order Lifted ^{Reference 4}
	Normal ^{Reference 5}
	Red Flag Warning ^{Reference 6}
	Smoke and Haze Forecast 0-3 PPM
	Smoke and Haze Forecast 3-25 PPM
	Smoke and Haze Forecast 25-63 PPM
	Smoke and Haze Forecast 63-158 PPM
	Smoke and Haze Forecast >158 PPM

Incident Perimeter: Perimeters are generalized and do not necessarily indicate structures within the boundaries have been damaged or destroyed.
Evacuation Order: An immediate threat to life. This is an order by law enforcement to leave immediately. The area is lawfully closed to public access.
Evacuation Warning: A potential threat to life and/or property. Those who require additional time to evacuate and those with pets and livestock should leave immediately.
Evacuation Order Lifted: Officials have determined the immediate danger has passed. Residents may return home but should remain alert for any changes in conditions or updated instructions.
Normal: No current threats to life or property.
Red Flag Warning: National Weather Service Red Flag Warnings indicate warm temperatures, very low humidities, and stronger winds that can combine to produce an increased risk of fire danger.

Acorn Fire

Incident Updates

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