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CriticalActive

Thunder Creek

Skagit, WA · Undetermined

An active fire at 0% containment. Conditions can change quickly. Check closures before traveling to nearby public lands.

0%Critical

715

Acres Burned

34

Days Burning

Aug 22, 2026

Discovered

2w ago

Last Update

Growth

No growth in the last day, containment at 0%
Aug 23 / 50 acresSep 10 / 715 acres

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Threatened Public Lands

12 public land units within 75 miles

Stephen Mather Wilderness Area

Avoid

Wilderness / WA

11.1 mi

NW

North Cascades National ParkClosures in effect

Closed

National Park / WA

13.8 mi

NW

Ross Lake National Recreation Area

Avoid

Recreation Area / WA

16.5 mi

N

Golden Phoenix Purchase Unit

Avoid

National Forest / WA

17.7 mi

W

Lake Chelan National Recreation Area

Avoid

Recreation Area / WA

20.7 mi

SE

Illabot Creek Purchase Unit

Check first

National Forest / WA

21.1 mi

W

Mt. Baker National Forest

Check first

National Forest / WA

23.9 mi

W

Glacier Peak Wilderness

Avoid

Wilderness / WA

24 mi

S

Noisy-Diobsud Wilderness

Avoid

Wilderness / WA

24.1 mi

W

Skagit Purchase Unit

Check first

National Forest / WA

24.2 mi

W

Brazier Purchase Unit

Check first

National Forest / WA

26.6 mi

W

Lake Chelan-Sawtooth Wilderness

Avoid

Wilderness / WA

29.6 mi

SE

Official Park Alerts

Closures and dangers published by the National Park Service

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

Changes read from NIFC interagency perimeter data

Thunder Creek update: 715 acres, 0% contained

Perimeter data
Sep 10

Per interagency perimeter data, the Thunder Creek was remapped 235 acres lower to 715.

IRWIN

Thunder Creek update: 950 acres, 0% contained

Perimeter data
Sep 1

Per interagency perimeter data, the Thunder Creek grew 302 acres to 950.

IRWIN

Thunder Creek update: 648 acres

Perimeter data
Aug 30

Per interagency perimeter data, the Thunder Creek grew 218 acres to 648.

IRWIN

Thunder Creek update: 430 acres

Perimeter data
Aug 27

Per interagency perimeter data, the Thunder Creek grew 380 acres to 430.

IRWIN

Thunder Creek mapped at 50 acres

Perimeter data
Aug 23

Interagency perimeter data shows the Thunder Creek at 50 acres.

IRWIN

Timeline

Aug 22Now

34 days since discovery

Other Fires in WA

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Sinlahekin

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166K acres

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Ptarmigan

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25K acres

73%

Three Queens

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9.6K acres

31%

Border 2

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9.1K acres

75%

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: adbaa559-5ce7-4b1e-9fc0-14d0a3f2ce22

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.