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Shale Butte Fire (Idaho)

Ended · 40% containedCrews stopped it spreading on 40% of the perimeter. Not the same as out, and not 40% burned. · 1,691 acres (684 hectares) · Started · Updated

This fire in numbers4 days
684Hectares1,691Acres4Days it lasted
Containment40%

Started on Aug 22, 2026.

United States todayLive
52Active1,128Hotspots 48h815 kHectares
Last 7 days · steadyHow many named wildfires were burning on each of the last 7 days. It rises when there are more than on the earlier days.
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Shale Butte Fire (Idaho) — Sentinel-2 SWIR

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

Red dots: heat detected by satellite in the last 48h. NASA FIRMS

Quick facts

Location
10 miles northwest of Kimama, ID
Cause
Natural
People working on it
30 people
Complexity
Type 3 IncidentOfficial scale from 5 to 1: a Type 1 is the most complex in the country.
What's burning
Tall Grass (2.5 feet)
How it's behaving
ModerateCreeping — Moves slowly, hugging the ground.
Jurisdiction
BLM · Federal land
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.

Burning across 1,500 acres of federal land in Lincoln County, Idaho, the active Shale Butte Fire is located 10 miles northwest of Kimama. Having burned for two days since its natural start on August 22, 2026, the fire is spreading at an approximate rate of 750 acres per day. Satellites are picking up a single heat detection in the area over the past 48 hours, marking the current spread of the incident.

Currently 40 percent contained, the fire exhibits moderate and creeping behavior through 2.5-foot tall grass fuels. Management of the incident falls under a Type 3 Incident command led by a Type 3 IC, directing a total of 30 personnel from the BLM. Suppression efforts have accumulated a cost of $150,000 so far.

This incident unfolds during the region's typical fire season, which runs from June to October. Across the country, 2,993,191 hectares have burned so far in 2026, placing the national burned area 45 percent below the two-decade average.

In context

This wildfire burned in Idaho for 3 days. In total it burned about 1,691 acres — around 6.8 km².

In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.

The bigger picture in United States

Across United States, roughly 3,331,321 hectares have burned so far in 2026 — 39% below the two-decade average. Data from Copernicus GWIS.

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