Sinlahekin Fire

Okanogan County, Washington · Wildfire

Active Official numbers updated Aug 16, 2026 (about 18 hours ago)
First reported about 3 weeks ago
Metric Now
Size
152,682 acres
Aug 16, 3:00 PM
+832 acres
was 151,850 acres · Aug 14, 7:01 PM
Containment
44%
Aug 16, 3:00 PM
+2 percent
was 42% · Aug 15, 9:00 PM
Crew size
1,677
Aug 16, 3:00 PM
−25
was 1,702 · Aug 15, 9:00 PM
Money spent
$50.9M
Aug 16, 3:00 PM
+$3.9M
was $46.9M · Aug 15, 9:00 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 152,682 acres (about 116,000 football fields). Crews have boxed in 44% of its edge; the other 56% isn't contained yet. It was first reported about 3 weeks ago. About 1,677 people are on it, run by a Type 1 Team. We're also tracking 8 other active fires within about 75 miles.

Size
152,682 acres
Containment
44%
Discovered
July 26, 2026 (first reported about 3 weeks ago)
Cause
Not reported

The size and containment above are current as of Sunday, August 16th at 3:00 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.

This Afternoon

79°F · Haze

Wind 5 mph E · 20% chance of rain

Wind: Calm Heat: Warm Some rain

Tonight

60°F · Haze

Wind 6 mph N · 12% chance of rain

Wind: Calm Heat: Cool Dry

Monday

81°F · Areas Of Smoke

Wind 5 mph E · 7% chance of rain

Wind: Calm Heat: Warm Dry

Monday Night

61°F · Mostly Cloudy

Wind 6 mph NW · 7% chance of rain

Wind: Calm Heat: Cool Dry

Tuesday

81°F · Mostly Sunny

Wind 6 mph SE · 1% chance of rain

Wind: Calm Heat: Warm Dry

Forecast from the National Weather Service (weather.gov), pulled Sunday, August 16th at 2:06 p.m. CDT.

Who's on it

About 1,677 people are assigned to this fire, run by a Type 1 Team. The government rates it a Type 1 Incident (the highest complexity level). About $51 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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