Foster Fire, Foster Road north of Indian Rock Road, California

True view Fire view

⟷

True view (left): as the eye sees it.
Fire view (right): infrared (SWIR), sees through smoke and brings out the heat.

🟢 green = vegetation
🟤 brown = already burned
🟠 orange = fire right now

Drag to compare: normal photo on the left, heat brought out on the right.

Green: vegetationBrown: already burnedOrange: fire right nowSentinel-2 · Copernicus

Key facts

Source: NIFC

Location2 miles northwest of Winterhaven, CA

CauseHuman

What's burningBrush (2 feet)

How it's behavingMinimalSmoldering — Burning without flame, in the ground or in roots. Can flare up days later.

ComplexityType 4 IncidentOfficial scale from 5 to 1: a Type 1 is the most complex in the country.

JurisdictionBIA · Federal land

Cost so far$91,000

Glossary: what each term means

Minimal

Barely moving. Low, thin smoke.

Smoldering

Burning without flame, in the ground or in roots. Can flare up days later.

Creeping

Moves slowly, hugging the ground.

Moderate

Spreads with low, steady flames.

Active

Spreading evenly and steadily, with visible flame.

Extreme

Fast and unpredictable.

Running

Runs along the ground much faster than a person walks.

Flanking

Grows along the sides, not head-on.

Backing

Moves against the wind or downhill, which makes it slower.

Crowning

Climbs into the treetops and jumps crown to crown. It can't be attacked from the ground.

Short Crown Runs

Climbs into the crowns in bursts and drops back down.

Torching

Whole trees flaring up like torches.

Isolated Torching

Single scattered trees flaring up whole, like torches.

Group Torching

Whole clumps of trees flaring at once.

Spotting

Wind carries embers through the air and starts new fires ahead of the front: that is how a fire jumps a road or a firebreak.

Wind Driven Runs

The wind pushes it in long runs in one direction.

The ones marked ● are the behaviors that make a fire harder to stop. They are not a warning or an instruction: they are the description written by the agency in charge. For decisions, always follow your emergency services.

The story so far

Burning across 252 acres of federal brush near Winterhaven, California, the human-caused Foster Fire has officially ended after an 84-day duration that saw an average daily growth of about 3 acres per day. The incident, managed by the Bureau of Indian Affairs as a Type 4 Incident with 7 personnel, originated near Foster Road north of Indian Rock Road in Imperial County. Having reached 100 percent containment, the fire currently exhibits minimal, smoldering behavior within its 2-foot brush fuel bed.

The suppression effort for this California fire cost about $91,000. The broader seasonal context shows that 3,478,083 hectares have burned across the country so far in 2026, marking a figure that is 37 percent below the two-decade average for a typical fire season that spans from June to October.