No longer in the daily fire updates. The Twin Sisters Fire last appeared in an official report on August 24, 2026, at 8,262 acres and 100% contained. Fires drop off this list once crews have them contained or out; we keep the page for reference. See fires burning now →

Twin Sisters Fire

Walla Walla County, Washington · Wildfire

No longer active Official numbers updated Aug 24, 2026 (about 2 months ago)
First reported about 4 months ago
Metric Now
Size
8,262 acres
Oct 8, 8:00 PM
Containment
100%
Oct 8, 8:00 PM
Crew size
6
Oct 8, 8:00 PM
Money spent
$600,000
Oct 8, 8:00 PM

Twin Sisters Fire and other nearby fires

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

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Twin Sisters Fire summary

The Twin Sisters Fire is a wildfire near Walla Walla County, Washington. It has burned about 8,262 acres (about 6,000 football fields). Crews have it fully contained, with a line all the way around it. It was first reported about 4 months ago. About 6 people are on it, run by a Type 3 Team.

Size
8,262 acres
Containment
100%
Discovered
June 14, 2026 (first reported about 4 months ago)
Cause
Not reported

The size and containment above are current as of Monday, September 7th at 5:00 p.m. CDT.

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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 a specific fire will do.

Day Night
Labor Day
69°F · Sunny
Wind 8 to 16 mph SW · 2% rain
Wind: Breezy Heat: Cool Dry
57°F · Partly Cloudy
Wind 7 mph SW · 2% rain
Wind: Calm Heat: Cool Dry
Tuesday
73°F · Sunny
Wind 1 to 6 mph SW · 1% rain
Wind: Calm Heat: Cool Dry
58°F · Mostly Clear
Wind 2 mph E · 0% rain
Wind: Calm Heat: Cool Dry
Wednesday
77°F · Sunny
Wind 2 mph SW · 0% rain
Wind: Calm Heat: Warm Dry
—

Forecast from the National Weather Service (weather.gov), pulled Monday, September 7th at 5:01 p.m. CDT.

Who's on it

About 6 people are assigned to this fire, run by a Type 3 Team. The government rates it a Type 3 Incident. About $600,000 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 Twin Sisters Fire

No other active fires are near this one right now. It's on its own.

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