Luna Fire

Perimeter mapped August 28, 2026 at 1:25 PM PDT, 7,939 acres (ir image interpretation). Point of origin 48.821, -121.210.

Live radar at the fire Forecast for Concrete

Size

7,879 acres

Containment

53%

Discovered

July 2, 2026 at 12:06 PM PDT

Cause

Natural

Location

10 Miles N from Newhalem, WA

County

Whatcom County

State

Washington

Nearest city reported

Marblemount

Protecting agency

NPS

Jurisdiction

NPS

Land ownership at origin

NPS

Personnel assigned

5

Incident management

Type 4 IC, Type 4 Incident

Primary fuel

Timber (Litter and Understory)

Estimated cost to date

$3,038,588

Incident type

Wildfire

Unique fire identifier

2026-WANCP-000179

IRWIN identifier

7D70E58C-3570-466C-86F7-8E5F828D0F7F

Mapped area at the last perimeter of each day, from July 8, 2026 (4 acres) to September 20, 2026 (7,939 acres). The largest one-day growth was 2,276 acres, mapped August 7, 2026.

• Wind up to 9 mph from the west-southwest
• Relative humidity as low as 44%
• High of 73°F

National Weather Service hourly forecast for the fire’s point of origin, next 24 hours.

Full forecast for Concrete, WA

Red Flag Warnings and Fire Weather Watches covering the fire's point of origin.

No Red Flag Warning or Fire Weather Watch is in force at the fire.

NOAA’s Hazard Mapping System analysts drew heavy smoke over the fire’s origin in satellite imagery today (Mon, 8:00 AM PDT to Mon, 10:00 AM PDT).

NOAA’s smoke model forecasts near-surface smoke at the origin peaking at 8.1 µg/m³ around Mon, 1:00 PM PDT over the next 48 hours.

Smoke and fire layers on the radar

Posted on InciWeb, updated September 1, 2026.

The Luna Fire within the North Cascades National Park Service Complex started in a rock scree southwest of Luna Camp along Big Beaver Trail in steep, rough, and remote terrain. It was discovered on Thursday, July 2, following lightning storms on previous days. Area, trail, and camp closures are in place to protect the public. Visit the Closures tab or the North Cascades National Park website Fire Closures page for a full list of fire closures.

Original at InciWeb

• Concrete, WA31 miles southwest of the fire’s origin
• Darrington, WA43 miles southwest of the fire’s origin
• Peaceful Valley, WA43 miles west of the fire’s origin
• Sumas, WA49 miles west of the fire’s origin
• Nooksack, WA51 miles west of the fire’s origin
• Sedro-Woolley, WA52 miles southwest of the fire’s origin