Margo Fire

No perimeter has been mapped for this fire; the map shows its point of origin. Point of origin 34.091, -117.838.

Live radar at the fire Forecast for Charter Oak

Size

Not reported

Containment

Not reported

Discovered

September 19, 2026 at 3:24 PM PDT

Cause

Undetermined

County

Los Angeles County

State

California

Protecting agency

C&L

Land ownership at origin

Private

Incident type

Wildfire

Unique fire identifier

2026-CALAC-337967

IRWIN identifier

042F6540-9BB8-4BA3-A9F2-D15B13FD97FD

• Wind up to 10 mph from the southwest
• Relative humidity as low as 46%
• High of 84°F

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

Full forecast for Charter Oak, CA

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 0.6 µg/m³ around Sun, 7:00 PM PDT over the next 48 hours.

Smoke and fire layers on the radar

• Charter Oak, CAUnder a mile northwest of the fire’s origin
• San Dimas, CA2 miles northeast of the fire’s origin
• Covina, CA3 miles west of the fire’s origin
• Glendora, CA3 miles northwest of the fire’s origin
• Citrus, CA4 miles northwest of the fire’s origin
• La Verne, CA4 miles east of the fire’s origin