Evacuations issued during this event
- Evacuation advisoryUS-OR-UMA-UMC-213-DFire issued · alert expired
- Evacuation advisoryUS-OR-UMA-UMC-215-CFire issued · alert expired
Historical record from Oregon OEM — alert times shown are when each WEA message was issued and expired; the evacuation itself may have remained in force longer (lift times aren't published to IPAWS).
This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
The Twin Sisters fire burned 8,262 acres near Walla Walla before containment was achieved; homes in the path faced direct fire damage during the June incident.
Overview written from official NASA EONET and National Interagency Fire Center/IRWIN data.
- Type
- Wildfires
- Official size
- 8,262 acres
- Containment
- 100%
- Cause
- Human
- Began
- Status
- Inactive
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Affected areas & guides
Every area named for this event, per the official source. Open yours for damage guides — what to do first, and how to reach a vetted restoration pro, 24/7.
Walla Walla, Washington
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Umatilla County, OR
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Affected area map
The shaded area is the affected-area perimeter reported for this event by NASA EONET (Walla Walla, Washington), colored by its significance. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
reported perimeter · evacuation orders as issued (dashed): advisory
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NASA EONET ↗.
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Forecast discussion NWS PDT
Area Forecast Discussion
Isolated to widely scattered thunderstorms possible this afternoon across central Oregon and eastern mountains, with activity diminishing by late afternoon.
Show full text Hide full text
000 FXUS66 KPDT 141038 AFDPDT
Area Forecast Discussion National Weather Service Pendleton OR 338 AM PDT Tue Jul 14 2026
.KEY MESSAGES...
- Isolated to widely scattered thunderstorm chances this afternoon across central OR and the eastern mountains, with chances spreading to north central OR and south central WA Sunday
- Above normal temperatures with dry conditions will persist into early next week
- Uncertainty remains around synoptic pattern Thursday into early next week
&&
.DISCUSSION...Today through Wednesday: Satellite imagery tonight shows increasing mid to upper level cloud cover east of the Cascade crest, with radar imagery showing light to moderate returns pushing across east central OR. This activity is associated with a shortwave impulse currently over southeast OR, and is anticipated to push north along the OR/ID border then rotate northwest into ID/MT early in the afternoon. Showers associated with this impulse will be focused along the Southern Blues into Wallowa county throughout this morning, with shower activity waning mid to late afternoon. A secondary impulse riding up the south-southwest flow aloft will produce another round of shower activity across cent…
- News The Lewiston Tribune
Colfax struts its stuff, concretely
- News Union-Bulletin
Update: Lambdin Fire grows to 12,776 acres with 25% containment
- News IQAir
Wildfire Map Spotlight: Tule, Juniper Dunes and Twin Sisters fires, Washington
Show 10 earlier updates
- Yahoo News
Lambdin Fire grows to 13,300 acres, “Go Now” evacuations in effect in Walla Walla
- AppleValleyNewsNow.com News
Walla Walla University turning Kellogg Hall into new student life and ministry center
- Elkhorn Media Group News
Southeast WA wildfires: Twin Sisters Fire contained as Tucannon Fire grows
- AppleValleyNewsNow.com News
All evacuation orders lifted for Highway 730 / Twin Sisters Fire
- Tri-City Herald News
Twin Sisters fire on WA-Oregon line forcing evacuations. High winds coming
- Union-Bulletin News
- columbian.com News
Wildfires surround Tri - Cities : Evacuations , Washington strike teams and aerial firefighting
- Nonstop Local News News
- yakimaherald.com News
Eastern Washington wildfires erupt evacuations , state strike teams and aerial firefighting
- The Spokesman-Review News
Twin Sisters fire in Walla Walla County grows to over 3,600 acres
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NASA EONET ↗.