Ptarmigan Fire

Perimeter mapped August 23, 2026 at 7:05 PM PDT, 25,166 acres (mixed methods). Point of origin 48.942, -120.610.

Live radar at the fire Forecast for Twisp

Size

25,166 acres

Containment

73%

Discovered

July 17, 2026 at 8:21 AM PDT

Cause

Natural

Location

20 Miles NW from Mazama, WA

County

Okanogan County

State

Washington

Protecting agency

USFS

Jurisdiction

USFS

Land ownership at origin

USFS

Personnel assigned

2

Incident management

Type 5 IC, Type 5 Incident

Primary fuel

Timber (Litter and Understory)

Estimated cost to date

$8,243,000

Incident type

Wildfire

Unique fire identifier

2026-WAOWF-260448

IRWIN identifier

735FFADD-9F45-4188-A66B-335931316E23

Mapped area at the last perimeter of each day, from July 22, 2026 (1,260 acres) to September 2, 2026 (25,166 acres). The largest one-day growth was 9,527 acres, mapped July 27, 2026.

• Wind up to 9 mph from the west
• Relative humidity as low as 43%
• High of 57°F

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

Full forecast for Twisp, 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 light smoke over the fire’s origin in satellite imagery today (Mon, 5:00 AM PDT to Mon, 8:00 AM PDT).

NOAA’s smoke model forecasts near-surface smoke at the origin peaking at 10 µg/m³ around Tue, 2:00 PM PDT over the next 48 hours.

Smoke and fire layers on the radar

• Twisp, WA46 miles southeast of the fire’s origin
• Oroville, WA53 miles east of the fire’s origin
• Tonasket, WA56 miles east of the fire’s origin
• Omak, WA61 miles southeast of the fire’s origin
• Okanogan, WA62 miles southeast of the fire’s origin
• Darrington, WA66 miles southwest of the fire’s origin