Update: Iron Fire in Riverside County spreads to 100 acres, remains 0% contained

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Updated: 3:42 p.m. June 27

First discovered: 2:14 p.m. June 27

Initial location: Theodore Street and Eucalyptus Avenue, Moreno Valley, Riverside County, Calif.

Fire unit: Cal Fire Riverside Unit

Fire type: Wildfire

Fire name: Iron Fire

Iron Fire initially started today at 2:14 p.m. at Theodore Street and Eucalyptus Avenue, Moreno Valley in Riverside County, California.

By Saturday afternoon, 100 acres of land had been consumed by it, an increase of 75 acres since the last update. The blaze remains uncontained and and is still expanding as of Saturday afternoon.

Fire containment

Containment is part of a larger plan for managing a wildfire. It is normally expressed as a percentage and it refers to how much of the fire perimeter has been surrounded/enclosed by a control line that firefighters create. The containment percentage indicates a certain level of control, but it doesn't always correlate to safety level. Also, it's important to note that containment doesn't mean a fire is out.

How is containment measured?

The incident's central command constantly receives progress reports from firefighters on the ground. As the fireline is constructed, inspected or reinforced, mappers record those details to adjust the containment percentage. The percentage tells the public how much of the fire perimeter is believed to not go beyond the control lines.

Source: Cal Fire

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This story was originally published June 27, 2026 at 2:50 PM.