Sinlahekin Fire

Okanogan County, Washington · Wildfire

Active Official numbers updated Sep 9, 2026 (about 5 hours ago)
First reported about 7 weeks ago
Metric Now
Size
166,018 acres
Sep 9, 10:00 PM
−66 acres
was 166,084 acres · Sep 9, 6:00 PM
Containment
76%
Sep 9, 10:00 PM
+9 percent
was 67% · Sep 9, 6:00 PM
Crew size
895
Sep 9, 10:00 PM
−250
was 1,145 · Sep 9, 6:00 PM
Money spent
$122.5M
Sep 9, 10:00 PM
+$4.0M
was $118.5M · Sep 9, 6:00 PM

Sinlahekin Fire and other nearby fires

🔥 Where this fire started Mostly contained Partly contained Containment not reported

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Sinlahekin Fire summary

The Sinlahekin Fire is a wildfire near Okanogan County, Washington. It has burned about 166,018 acres (about 126,000 football fields). Crews have boxed in 76% of its edge; the other 24% isn't contained yet. It was first reported about 7 weeks ago. About 895 people are on it, run by a Complex Incident Management Team. We're also tracking 8 other active fires within about 75 miles.

Size
166,018 acres
Containment
76%
Discovered
July 26, 2026 (first reported about 7 weeks ago)
Cause
Not reported

The size and containment above are current as of Wednesday, September 9th at 10:00 p.m. CDT.

Weather & fire-spread conditions

No Red Flag Warning. The National Weather Service hasn't flagged this area for dangerous fire-spread conditions right now.

Hot, dry, and windy weather can help a fire grow; cool, calm, or wet weather helps crews. The tags below rate each day for fire spread — green is calm, red can push a fire.

A general fire-weather guide (wind matters most, then how dry it is, then heat), not a prediction of what this fire will do.

Tonight

56°F · Mostly Cloudy

Wind 5 to 8 mph S · 4% chance of rain

Wind: Calm Heat: Cool Dry

Thursday

70°F · Mostly Sunny

Wind 7 mph N · 6% chance of rain

Wind: Calm Heat: Cool Dry

Thursday Night

45°F · Mostly Cloudy

Wind 7 mph NW · 6% chance of rain

Wind: Calm Heat: Cool Dry

Friday

64°F · Mostly Sunny

Wind 7 mph N · 1% chance of rain

Wind: Calm Heat: Cool Dry

Friday Night

50°F · Mostly Cloudy then Slight Chance Rain Showers

Wind 2 to 8 mph N · 23% chance of rain

Wind: Calm Heat: Cool Some rain

Forecast from the National Weather Service (weather.gov), pulled Wednesday, September 9th at 10:02 p.m. CDT.

When I roll up to someone's house that's clearly been hardened against wildfire, it's like a breath of fresh air. I know my chances of saving your home just went up dramatically.

A wildland firefighter, on Reddit

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Who's on it

About 895 people are assigned to this fire, run by a Complex Incident Management Team. The government rates it a Type 1 Incident (the highest complexity level). About $123 million has been spent on it so far.

The official feed reports the total headcount, not a breakdown by crew type.

Where to get live updates

We show the daily official picture. For minute-by-minute updates, evacuation orders, and maps, these do it best:

Nearby fires to Sinlahekin Fire

Within about 75 miles we're tracking 8 other active fires, closest first:

See all active fires in Washington →

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