Horse Ridge Fire

Perimeter mapped July 31, 2026 at 12:23 PM PDT, 860 acres (mixed methods). Point of origin 45.542, -118.346.

Live radar at the fire Forecast for Mission

Size

860 acres

Containment

100%

Discovered

July 16, 2026 at 2:30 PM PDT

Cause

Natural

Location

25 Miles E from Pendleton, OR

County

Umatilla County

State

Oregon

Nearest city reported

Pendleton

Protecting agency

USFS

Jurisdiction

USFS

Land ownership at origin

USFS

Personnel assigned

4

Incident management

Type 4 IC, Type 4 Incident

Primary fuel

Timber (Grass and Understory)

Estimated cost to date

$2,678,959

Incident type

Wildfire

Unique fire identifier

2026-ORUMF-000315

IRWIN identifier

59D0CCBA-067C-4422-8FD0-07F3EAB5581B

Mapped area at the last perimeter of each day, from July 18, 2026 (380 acres) to August 18, 2026 (860 acres). The largest one-day growth was 177 acres, mapped July 20, 2026.

• Wind up to 5 mph from the west
• Relative humidity as low as 35%
• High of 67°F

National Weather Service hourly forecast for the fire’s point of origin, next 24 hours.

Full forecast for Mission, OR

Red Flag Warnings and Fire Weather Watches covering the fire's point of origin.

No Red Flag Warning or Fire Weather Watch is in force at the fire.

NOAA’s Hazard Mapping System analysts have not drawn smoke over the fire’s origin today.

NOAA’s smoke model forecasts near-surface smoke at the origin peaking at 0.3 µg/m³ around Tue, 8:00 AM PDT over the next 48 hours.

Smoke and fire layers on the radar

• Mission, OR19 miles northwest of the fire’s origin
• La Grande, OR20 miles southeast of the fire’s origin
• Athena, OR20 miles north of the fire’s origin
• Island City, OR20 miles southeast of the fire’s origin
• Elgin, OR21 miles east of the fire’s origin
• Pendleton, OR23 miles northwest of the fire’s origin