High School 3 Fire

Perimeter mapped September 17, 2026 at 7:58 AM MDT, 0 acres (auto-generated for inform). Point of origin 45.592, -106.655.

Live radar at the fire Forecast for Lame Deer

Size

1 acres

Containment

Not reported

Discovered

September 16, 2026 at 3:24 PM MDT

Cause

Undetermined

County

Rosebud County

State

Montana

Protecting agency

BIA

Jurisdiction

BIA

Land ownership at origin

Tribal

Incident type

Wildfire

Unique fire identifier

2026-MTNCA-000825

IRWIN identifier

DAFF5696-A050-4981-B098-0C449A7149A3

• Wind up to 8 mph from the north
• Relative humidity as low as 55%
• High of 69°F

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

Full forecast for Lame Deer, MT

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 µg/m³ around Sun, 5:00 PM MDT over the next 48 hours.

Smoke and fire layers on the radar

• Lame Deer, MT2 miles north of the fire’s origin
• Colstrip, MT20 miles north of the fire’s origin
• Crow Agency, MT39 miles west of the fire’s origin
• Forsyth, MT47 miles north of the fire’s origin
• Hardin, MT47 miles west of the fire’s origin
• Sheridan, WY57 miles south of the fire’s origin