Washington · incident record
Twin Sisters Fire, Washington
8,262
Acres reported
—
Contained
0
Acres since yesterday
Last updated · refreshed every 15 minutes from the NIFC WFIGS feed · awareness only — follow local authorities
Update ·
As of Jul 8, 2026, 20:00 UTC, the Twin Sisters Fire is no longer listed in the federal active-fire feed at 8,262 acres, in Washington.
No change in reported size since Jul 7, 2026, 20:00 UTC.
The most recent mapped perimeter (Jun 17, 2026, 15:22 UTC) covers 8,116 acres.
It was last present in the feed Jul 8, 2026, 20:00 UTC; the largest size reported was 8,262 acres. This page stays up as a record of the incident.
Twin Sisters Fire map
The most recent mapped perimeter, with the reported point of origin.
Latest perimeter · Perimeters come from the WFIGS interagency perimeter service and are usually mapped once a day; the mapped area can differ from the reported acreage.
Key facts
- Size
- 8,262 acres
- Containment
- not reported
- Status
- Not in feed (last seen Jul 8, 2026)
- Discovered
- Jun 14, 2026
- Location
- Washington
- Origin point
- 46.0568, -118.9100
- Perimeter mapped
- Jun 17, 2026 (62 days ago)
- Satellite heat, 24 h
- none matched
Nearest towns
Distances are from the reported point of origin, not from the fire’s edge (see the perimeter map for the current extent).
- Finley, WA
- Burbank, WA
- Highland, WA
- Kennewick, WA
- Pasco, WA
Other fires nearby
- Neff Jones Fire
- North Cayuse Fire
- Hagen Fire
- Wallace Walker Fire
- Devil's Canyon Fire
- Nunamaker Road Fire
- Horse Ridge Fire
- Paradise Fire
Twin Sisters Fire daily history
The largest size and containment reported each UTC day, from our 15-minute archive of the federal feed (first seen Jun 14, 2026, 14:45 UTC).
| Day (UTC) | Reported size | Change | Contained |
|---|---|---|---|
| Jul 8, 2026 | 8,262 acres | 0 | — |
| Jul 7, 2026 | 8,262 acres | 0 | — |
| Jul 6, 2026 | 8,262 acres | 0 | — |
| Jul 5, 2026 | 8,262 acres | 0 | — |
| Jul 4, 2026 | 8,262 acres | 0 | — |
| Jul 3, 2026 | 8,262 acres | 0 | — |
| Jul 2, 2026 | 8,262 acres | 0 | — |
| Jul 1, 2026 | 8,262 acres | 0 | — |
| Jun 30, 2026 | 8,262 acres | 0 | — |
| Jun 29, 2026 | 8,262 acres | 0 | — |
| Jun 28, 2026 | 8,262 acres | 0 | — |
| Jun 27, 2026 | 8,262 acres | 0 | — |
| Jun 26, 2026 | 8,262 acres | 0 | — |
| Jun 25, 2026 | 8,262 acres | 0 | — |
| Jun 24, 2026 | 8,262 acres | 0 | — |
| Jun 23, 2026 | 8,262 acres | 0 | — |
| Jun 22, 2026 | 8,262 acres | 0 | — |
| Jun 21, 2026 | 8,262 acres | 0 | — |
| Jun 20, 2026 | 8,262 acres | 0 | — |
| Jun 19, 2026 | 8,262 acres | 0 | — |
| Jun 18, 2026 | 8,262 acres | 0 | — |
| Jun 17, 2026 | 8,262 acres | 0 | — |
| Jun 16, 2026 | 8,262 acres | +4,624 | — |
| Jun 15, 2026 | 3,638 acres | +3,588 | — |
| Jun 14, 2026 | 50 acres | — | — |
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Twin Sisters Fire questions, answered from the data
How big is the Twin Sisters Fire?
As of Jul 8, 2026, 20:00 UTC, the Twin Sisters Fire is reported at 8,262 acres. No change in reported size since Jul 7, 2026, 20:00 UTC.
Is the Twin Sisters Fire contained?
Containment has not been reported for the Twin Sisters Fire in the federal feed as of Jul 8, 2026, 20:00 UTC.
Where is the Twin Sisters Fire?
The reported point of origin is at 46.0568, -118.9100 in Washington. Nearest towns: Finley (9.0 mi NW), Burbank (11 mi NW), Highland (11 mi NW). The map on this page shows the most recent mapped perimeter.
Is the Twin Sisters Fire still burning?
It is no longer in the federal active-fire feed; it was last listed Jul 8, 2026, 20:00 UTC. Fires drop out of the feed when the incident is closed or handed to local management, not necessarily when every ember is out.
Where do I find evacuation orders for the Twin Sisters Fire?
From the county sheriff and local emergency management, not from this site. Check the official Washington sources on our Washington page and your county’s alert system. FireRiskHere is for awareness only.
How current is this page?
The numbers come from the National Interagency Fire Center's WFIGS incident feed and the WFIGS perimeter service, refreshed every 15 minutes, plus NASA FIRMS satellite detections hourly. This page was last updated Jul 8, 2026, 20:00 UTC. Acreage and containment are what the incident team reports and can lag by hours.
About this page
This page is generated automatically for every wildfire whose reported size reaches 1,000 acres, from FireRiskHere’s archive of the National Interagency Fire Center’s WFIGS incident feed (captured every 15 minutes), the WFIGS interagency perimeter service, and NASA FIRMS satellite detections. It stays online after the fire is contained as a record of the incident. Nothing here is an official notice — for evacuation orders and road closures follow your county sheriff and local emergency management. How the site works →