Wildfire — Northeast Siskiyou and Northwest Modoc Counties, California

2025-08-01 · Northeast Siskiyou and Northwest Modoc Counties, California

Event narrative

The Mammoth Wildfire was discovered on July 24th. The fire started 3 miles northeast of Tionesta in Modoc County, California. The cause of the fire is unknown. As of 530 AM PST on August 1st, it had burned 2,533 acres, was 100% contained, no structures had been destroyed, and it had cost $ 1.0M.

Source: NOAA Storm Events Database, event_id 1290370. Narrative written by the NWS forecast office that issued the report.