Active fire incident · Malheur County, OR
Big Grass Fire
Big Grass Fire listed by WFIGS in Malheur County at 578,637 acres.
Imported from NIFC WFIGS Incident Locations
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Incident updates
Official incident bulletins
Published by the Northwest Interagency Coordination Center. Original reports and maps are available below.
Bulletins checked Sep 10, 2026 6:37 AM PDT.
9/9/2026 Big Grass Fire Update · Sep 9, 2026 11:35 AM PDT
Official report / map 1
9/8/2026 Big Grass Fire Update · Sep 8, 2026 7:09 AM PDT
Official report / map 1
Official report / map 2
9/7/2026 Big Grass and Flint Fires Update · Sep 7, 2026 8:51 AM PDT
Official report / map 1
Official report / map 2
9/6/2026 Big Grass Fire Update · Sep 6, 2026 9:09 AM PDT
Official report / map 1
Official report / map 2
9/5/2026 Big Grass Fire Update · Sep 5, 2026 9:10 AM PDT
Official report / map 1
Official report / map 2
9/4/2026 Big Grass Fire Update · Sep 4, 2026 9:36 AM PDT
Official report / map 1
Official report / map 2
9/3/2026 Big Grass Fire Update · Sep 3, 2026 9:02 AM PDT
Official report / map 1
Official report / map 2
9/2/2026 Big Grass Fire Update · Sep 2, 2026 12:20 PM PDT
Official report / map 1
Official report / map 2
8/31/2026 Big Grass Fire Update · Aug 31, 2026 10:44 AM PDT
Official report / map 1
Official report / map 2
8/30/2026 Big Grass Fire Update · Aug 30, 2026 10:24 AM PDT
Official report / map 1
Official report / map 2
8/29/2026 Big Grass Fire Update · Aug 29, 2026 8:46 AM PDT
Official report / map 1
Official report / map 2
8/28/2026 Big Grass Fire Update · Aug 28, 2026 10:11 AM PDT
Official report / map 1
Official report / map 2
8/27/2026 Big Grass Fire Update · Aug 27, 2026 9:38 AM PDT
Official report / map 1
Official report / map 2
Watch Duty report history
Each entry opens the individual report on Watch Duty. Checked Sep 10, 2026 6:37 AM PDT.
- — Fire activity and operations report
- — Operations video update
- — Fire activity and operations report
- — Fire activity and operations report
- — Operations video update
- — Fire activity and operations report
- — Fire activity and operations report
- — Fire activity and operations report
- — Fire activity and operations report
- — Evacuation report
- — Fire activity and operations report
- — Fire activity and operations report
- — Fire activity and operations report
- — Fire activity and operations report
- — Fire activity and operations report
- — Fire activity and operations report
- — Fire size and containment report
- — Operations video update
- — Fire activity and operations report
- — Operations video update
- — Fire activity and operations report
- — Fire size and containment report
- — Operations video update
- — Fire size and containment report
- — Evacuation report
- — Operations video update
- — Fire activity and operations report
- — Operations video update
- — Fire activity and operations report
- — Fire size and containment report
Incident location
Open larger map Interactive Map
Incident report
Current Details
Reported size: 578,637 acres.
Containment: 94%.
Discovered: Jul 23, 2026 1:30 PM PDT.
Updated: Sep 9, 2026 4:37 PM PDT.
Description: 25 Miles SW from JORDAN VALLEY, OR.
Jurisdiction: BLM.
Protecting agency: BLM.
Dispatch center: ORVAC.
Fire cause: Natural.
Fire behavior: Minimal.
Personnel: 174.
Watch Duty incident updated: Sep 10, 2026 6:35 AM PDT.
Watch Duty reported size: 578,637 acres.
Watch Duty containment: 94%.
Containment: 94%.
Discovered: Jul 23, 2026 1:30 PM PDT.
Updated: Sep 9, 2026 4:37 PM PDT.
Description: 25 Miles SW from JORDAN VALLEY, OR.
Jurisdiction: BLM.
Protecting agency: BLM.
Dispatch center: ORVAC.
Fire cause: Natural.
Fire behavior: Minimal.
Personnel: 174.
Watch Duty incident updated: Sep 10, 2026 6:35 AM PDT.
Watch Duty reported size: 578,637 acres.
Watch Duty containment: 94%.
Verify before acting
Fire conditions change quickly. Use the official map and Watch Duty links above, and follow county emergency-management or law-enforcement instructions.
All Available Fire Data71 source fields shown in readable form
- OBJECTID
- 578081
- Source OID
- 43303193
- ADSPermission State
- DEFAULT
- Created By System
- wildcade
- Incident Size
- 578,637
- Discovery Acres
- 1
- Dispatch Center ID
- ORVAC
- Estimated Cost To Date
- Nov 30, 8329 12:00 AM PST
- Fire Behavior General
- Minimal
- Fire Behavior General1
- Torching
- Fire Behavior General2
- Creeping
- Fire Behavior General3
- Flanking
- Fire Cause
- Natural
- Fire Code
- SUTR
- Fire Discovery Date Time
- Jul 23, 2026 1:30 PM PDT
- Fire Strategy Confine Percent
- 0
- Fire Strategy Full Supp Percent
- 100
- Fire Strategy Monitor Percent
- 0
- Fire Strategy Point Zone Percent
- 0
- FSJob Code
- PD
- FSOverride Code
- 1542
- GACC
- NWCC
- ICS209 Report Date Time
- Sep 9, 2026 4:37 PM PDT
- ICS209 Report For Time Period From
- Sep 8, 2026 4:00 PM PDT
- ICS209 Report For Time Period To
- Sep 9, 2026 1:00 PM PDT
- ICS209 Report Status
- U
- Incident Management Organization
- Type 3 IC
- Incident Name
- BIG GRASS
- Incident Short Description
- 25 Miles SW from JORDAN VALLEY, OR
- Incident Type Category
- WF
- Incident Type Kind
- FI
- Initial Latitude
- 42.6292
- Initial Longitude
- -117.335
- Irwin ID
- {6B0C72B3-0E12-4695-9022-E1113C0AA8D1}
- Is Fire Code Requested
- 0
- Is FSAssisted
- 1
- Is Multi Jurisdictional
- 1
- Is Reimbursable
- 1
- Is Trespass
- 1
- Is Unified Command
- 0
- Local Incident Identifier
- 260201
- Modified By System
- ics209
- Percent Contained
- 94
- Percent Perimeter To Be Contained
- 100
- POOCity
- JORDAN VALLEY
- POOCounty
- Malheur
- POODispatch Center ID
- ORVAC
- POOFips
- 41045
- POOJurisdictional Agency
- BLM
- POOJurisdictional Unit
- ORVAD
- POOLandowner Category
- BLM
- POOLandowner Kind
- Federal
- POOPredictive Service Area ID
- NW12
- POOProtecting Agency
- BLM
- POOProtecting Unit
- ORVAD
- POOState
- US-OR
- Primary Fuel Model
- Short Grass (1 foot)
- Secondary Fuel Model
- Brush (2 feet)
- Total Incident Personnel
- 174
- Unique Fire Identifier
- 2026-ORVAD-260201
- WFDSSDecision Status
- Approved Decision
- Estimated Final Cost
- 90,000,000
- Organizational Assessment
- Type 3 Team
- Strategic Decision Publish Date
- Sep 9, 2026 4:27 PM PDT
- Created On Date Time Dt
- Jul 23, 2026 1:43 PM PDT
- Modified On Date Time Dt
- Sep 9, 2026 4:37 PM PDT
- Active Fire Candidate
- 1
- Is Cpx Child
- 0
- Source Global ID
- {71048D14-5C2B-48EC-B7D3-2DF9BD02FC86}
- Global ID
- 0610b947-106a-409e-8bcf-3010a6da5f71
- Incident Complexity Level
- Type 3 Incident