Sierra Fire

Incident Updates

05/21/2026 7:38 PM

Sierra Fire is now 100% contained, per Stanislaus County Fire Dispatch.

Updated by: CAL FIRE Web Team

05/21/2026 7:13 PM

All CAL FIRE TCU resources have been released and the fire has been turned over to Modesto Fire Department.

Updated by: Unit Information Officer

05/21/2026 4:25 PM

Forward progress of the fire has been stopped. Some of the aircraft have been released.

Updated by: Unit Information Officer

05/21/2026 3:58 PM

New incident in Stanislaus County - Sierra Fire, is currently 30 acres.

Updated by: CAL FIRE Web Team

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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.

Sierra Fire

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