Wildfires in the United States

What is here

Fires

Every incident the interagency system lists as current, largest first, and a page for each fire reported since 2014: size, containment, cause, dates, the agencies managing it, and its mapped perimeter.

Growth

For fires since 2023, the area mapped at the end of each day, so the days a fire ran are plain to see.

Fire weather

The Storm Prediction Center's outlook for today and tomorrow, every Red Flag Warning and Fire Weather Watch in force, and for each active fire the wind, humidity and smoke forecast at the fire.

Common questions

Why do acres differ between sources?

Incident teams report a size on each update, and mappers draw a perimeter from infrared flights and satellite detections on their own schedule. The two agree once a fire is mapped, and can differ by a few percent while it is growing. The pages show the incident's reported size, and the perimeter's own mapped area beside it.

What do the fire weather outlook levels mean?

Elevated means dry, windy conditions that favor fire spread over an area. Critical means strong wind with very low humidity over dry fuels. Extremely critical is reserved for the most dangerous combinations. Dry thunderstorm areas mark lightning with little rain, which starts new fires.

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