Back to tracker
Active

Sinlahekin

Okanogan, WA · Undetermined

Crews have this fire 93% contained. Nearby public lands are likely open, but check for lingering closures.

0%Near Contained

166,007

Acres Burned

61

Days Burning

Jul 26, 2026

Discovered

1d ago

Last Update

Growth

No growth in the last day, containment at 93%
Aug 8 / 126,940 acresSep 24 / 166,007 acres

Get fire alerts

Your browser sends the coordinates. We store the point to match fires against it, and never look up your address.

Free, no account. We email you to confirm first, and every alert carries a one-click unsubscribe.

Threatened Public Lands

10 public land units within 75 miles

Okanogan National Forest

Check first

National Forest / WA

29.6 mi

W

Pasayten Wilderness

Avoid

Wilderness / WA

38.1 mi

W

Lake Chelan-Sawtooth Wilderness

Avoid

Wilderness / WA

44.8 mi

SW

Lake Chelan National Recreation Area

Avoid

Recreation Area / WA

51.4 mi

SW

Farm Service Agency Interest Of Wa

Go

Wildlife Refuge / WA

59.2 mi

S

Ross Lake National Recreation Area

Avoid

Recreation Area / WA

64.4 mi

W

Stephen Mather Wilderness Area

Avoid

Wilderness / WA

66.2 mi

W

North Cascades National ParkClosures in effect

Closed

National Park / WA

69 mi

W

Glacier Peak Wilderness

Avoid

Wilderness / WA

70 mi

SW

Lake Roosevelt National Recreation AreaClosures in effect

Closed

Recreation Area / WA

71.4 mi

SE

Official Park Alerts

Closures and dangers published by the National Park Service

Park Closure / Lake Roosevelt National Recreation Area

Fort Spokane boat launch & day use open; Campground open with some closures

Fort Spokane Campground has re-opened to the public with minimal closures as of 8/14/2026. Sites 39, 40, 41, 50, and walk-in sites 64-68 will remain closed for the foreseeable future due to fire damage and hazard trees. Caution tape and clo...

Park Closure / Lake Roosevelt National Recreation Area

Total Fire Restrictions Implemented June 20, 2026

Due to extreme fire conditions, all fires at Lake Roosevelt National Recreation Area are prohibited effective 12:01 a.m., June 20, until further notice. No open flames are permitted. Only self-contained propane or gas cookstoves and lantern...

Official notice

Park Closure / Lake Roosevelt National Recreation Area

Fort Spokane Museum and Visitor Center to Close for Repairs

The Fort Spokane Museum and Visitor Center in Lake Roosevelt National Recreation Area is temporarily closed for the duration of the summer for critical historic preservation repairs. Dating to 1880, the landmark building originally served a...

Official notice

Danger / North Cascades National Park

Smoke from Wildfires May Affect Air Quality

Smoke from wildfires is to be expected with active fires across the region.Take precautions when recreating outdoors when heavy smoke is present.

Official notice

Park Closure / North Cascades National Park

Campfire Ban in All Portions of the Park Complex Begins June 29

Effective Monday, June 29, campfires or the ignition of wood, briquettes, or any fuel in fire pits, fire pans, and barbeque grills, are banned in all portions of North Cascades National Park Service Complex, which includes North Cascades Na...

Official notice

Park Closure / North Cascades National Park

Hozomeen Gate Remains Closed

Until further notice, the gate at Hozomeen will remain closed; vehicle and foot traffic across the US/Canada border is prohibited. Visitors must enter through a designated port of entry.

Official notice

Situation Updates

Posted by the incident management team on InciWeb, plus changes read from NIFC interagency perimeter data

Sinlahekin Fire Daily Update 09-25-2026

Incident team
Sep 25

Sinlahekin Fire Update September 25, 2026 Daily Update Quick Facts Size: 166,007 acres Start Date: July 26, 2026 Cause: Lightning/Natural Containment: 93% Personnel: 521 Location: 12 Miles W of Tonasket, WA Key Message and Operational Updates Today an incoming cold front is expected to bring colder temperatures, rain, and possible thunderstorms with wetting rain and wind gusts up to 30mph. Heavy r...

InciWeb

Sinlahekin Fire Daily Update 09-24-2026

Incident team
Sep 24

Sinlahekin Fire Update September 24, 2026 Daily Update Quick Facts Size: 166,007 acres Start Date: July 26, 2026 Cause: Lightning/Natural Containment: 93% Personnel: 439 Location: 12 Miles W of Tonasket, WA Key Message: An incoming cold front is expected to bring colder temperatures and a chance of afternoon thunderstorms on Friday, with significant wind and rain possible. These conditions could c...

InciWeb

SINLAHEKIN update: 166,007 acres, 93% contained

Perimeter data
Sep 24

Per interagency perimeter data, the SINLAHEKIN containment moved from 92% to 93%.

IRWIN

SINLAHEKIN update: 166,007 acres, 92% contained

Perimeter data
Sep 23

Per interagency perimeter data, the SINLAHEKIN grew 2 acres to 166,007.

IRWIN

Sinlahekin Fire Daily Update 09-22-2026

Incident team
Sep 22

Sinlahekin Fire Update September 22, 2026 - 8:00 am Quick Facts Size: 166,000 a cres Start Date: July 26, 2026 Personnel: 477 Containment: 92% Suppression Repair Completion : 49.8% Please continue to respect all current road and forest closures. Increased public access into active work areas can delay suppression-repair operations and create safety concerns for both the public and fire personnel. ...

InciWeb

Sinlahekin Fire Daily Update 09-21-2026

Incident team
Sep 21

Sinlahekin Fire Update September 21, 2026 - 8:00 am Quick Facts Size: 166,000 a cres Personnel: 578 Containment: 92% Suppression Repair Completion : 49.5% Please respect all current road and forest closures. Reopening access remains a priority as conditions allow. Fire and land managers continue evaluating suppression-repair progress, remaining hazards, and firefighter safety before additional are...

InciWeb

Sinlahekin Fire Daily Update 09-20-2026

Incident team
Sep 20

Sinlahekin Fire Update September 20, 2026 - 8:00 am Quick Facts Size: 166,000 a cres Start Date: July 26, 2026 Personnel: 589 Containment: 92% Suppression Repair Completion : 49.9% Suppression Repair Progress: Fire crews continue advancing suppression-repair work throughout the incident area, focusing on stabilizing disturbed ground, repairing roads and firelines, and restoring drainage affected b...

InciWeb

SINLAHEKIN update: 166,005 acres, 92% contained

Perimeter data
Sep 20

Per interagency perimeter data, the SINLAHEKIN was remapped 7 acres lower to 166,005 and containment moved from 84% to 92%.

IRWIN

Sinlahekin Fire Daily Update 09-19-2026

Incident team
Sep 19

Sinlahekin Fire Update September 19, 2026 - 8:00 am Quick Facts Size: 166,000 a cres Start Date: July 26, 2026 Personnel: 594 Containment: 84% Suppression Repair Completion : 47.0% Suppression Repair Progress: Crews continue stabilizing disturbed ground, repairing roads and firelines, and improving drainage features impacted by suppression activity. Fuel‑reduction and debris‑management projects ar...

InciWeb

Sinlahekin Fire Daily Update 09-18-2026

Incident team
Sep 18

Sinlahekin Fire Update September 18, 2026 - 8:00 am Quick Facts Size: 166,000 a cres Start Date: July 26, 2026 Personnel: 604 Containment: 84% Suppression Repair Completion : 44.6% Suppression Repair Progress: Suppression repair remains the primary operational focus on the Sinlahekin Fire. Crews are working across the western and northwestern portions of the incident to repair roads and firelines,...

InciWeb

Sinlahekin Fire Daily Update 09-17-2026

Incident team
Sep 17

Sinlahekin Fire Update September 17, 2026 - 8:00 am Quick Facts Size: 166,000 a cres Start Date: July 26, 2026 Personnel: 616 Containment: 84% Suppression Repair Completion : 43.1% Current Situation: An infrared flight identified several areas of remaining heat in the northwest portion of the fire, but all were within the fire interior. Firefighters continue mop-up while suppression repair remains...

InciWeb

SINLAHEKIN update: 166,012 acres, 84% contained

Perimeter data
Sep 17

Per interagency perimeter data, the SINLAHEKIN grew 12 acres to 166,012 and containment moved from 81% to 84%.

IRWIN

Sinlahekin Fire Daily Update 09-16-2026

Incident team
Sep 16

Sinlahekin Fire Update September 16, 2026 - 8:00 am Quick Facts Size: 166,026 a cres Start Date: July 26, 2026 Personnel: 727 Containment: 84% Suppression Repair Completion : 40.8% Current Situation: Firefighters continue mop-up to secure the fire perimeter and eliminate remaining heat, while the majority of crews are now focused on suppression repair. Crews are restoring disturbed ground, improvi...

InciWeb

SINLAHEKIN update: 166,000 acres, 81% contained

Perimeter data
Sep 16

Per interagency perimeter data, the SINLAHEKIN containment moved from 77% to 81%.

IRWIN

Sinlahekin Fire Daily Update 09-15-2026

Incident team
Sep 15

Sinlahekin Fire Update September 15, 2026 - 8:00 am Quick Facts Size: 166,026 a cres Containment: 77% Personnel: 743 Current Situation: Crews are making steady progress on suppression repair, mop-up, chipping, and other rehabilitation work across the fire area. WALERT and BAER teams are also conducting field assessments to identify potential post-fire hazards, including erosion, runoff, and debris...

InciWeb

Timeline

Jul 26Now

61 days since discovery

Other Fires in WA

5 additional active fires

Little Giant

Chelan, WA

173K acres

81%

Ptarmigan

Okanogan, WA

25K acres

73%

Three Queens

Kittitas, WA

9.6K acres

31%

Border 2

Whatcom, WA

9.1K acres

75%

Luna

Whatcom, WA

8.6K acres

42%

Data Sources

Fire data from NIFC Wildland Fire Interagency Geospatial Services (WFIGS) via IRWIN. Satellite hotspots from NASA FIRMS VIIRS. Situation updates are either posted by the incident management team on InciWeb or read by us from WFIGS perimeter data, and each one says which. Air quality data from EPA AirNow. Public lands boundaries from USGS PAD-US 4.0.

IRWIN ID: 78d35d3b-f791-4961-ae36-c6d1a4dff5a0

Important

More Than Just Parks aggregates third-party data from EPA AirNow, NOAA, NASA FIRMS, and NIFC/WFIGS. Readings can be delayed, estimated, incomplete, or wrong, and conditions on the ground change quickly. This tool is for general information only and is not a substitute for official air quality alerts, fire and evacuation orders, land manager closures, or emergency services. Verify with the managing agency and local authorities before making any travel, health, or safety decision. We make no warranty as to accuracy and accept no liability for decisions made using this information. This is not an emergency or evacuation tool. If you are near a fire, follow official evacuation orders and call 911. Terms of Service.