Sierra Fire

100% Contained
400 Acres
1 County: San Bernardino

Legend

Date Started
06/30/2024 3:21 PM

Last Updated
06/03/2025 3:18 PM

Date Contained
07/01/2024 7:51 AM (Active for 1 days)

Cause
Undetermined

Incident Maps and Reports

3D Map

Agency Having Jurisdiction
San Bernardino County Fire Department

Incident Management Team
No team assigned

Location
South of Sierra Avenue, Fontana

[34.04119,-117.43441]

Reports
Status reports

Situation Summary

Structure defense engines in place. Fire is burning in southeast direction with moderate side slope expansion to east.

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The map layers provided are powered by Esri, Genasys, Perimeter and other potential resources, and are based on their respective data sources. The accuracy and reliability of the information are subject to the data provided by these platforms.

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

Situation Summary

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