Viper Fire Breaks Out North of Moreno Valley in Riverside County; CAL FIRE Responding, Size and Containment Pending
RIVERSIDE COUNTY — A wildfire dubbed the Viper Fire broke out in the hills north of Moreno Valley in Riverside County, California, on the afternoon of Monday, October 19. According to the federal Interagency Initial Attack system (IRWIN), the fire was reported at 3:24 p.m., in the hills north of Moreno Valley, south of San Timoteo Canyon and north of Highway 60. CAL FIRE — the Riverside Unit / Riverside County Fire Department — is the agency having jurisdiction, and Watch Duty has added the incident to its situation map.
As of publication, officials had not released the fire's acreage or containment, and no evacuation orders or warnings had been issued; the cause has not been determined. The fire is burning in the hill country north of Moreno Valley near San Timoteo Canyon, and nearby residents should watch for further updates from CAL FIRE's Riverside Unit and Watch Duty.
Published by GSM · USA (original Chinese edition)
Photo: 图：Viper Fire 态势图，Watch Duty 截图（美西时间10月19日15时51分截取）。火点位于 Moreno Valley 以北、60 号公路以北的山区；图中未标注面积，官方尚未公布过火面积与控制率，最新数据以官方通报为准。图片来源：Watch Duty。Situation map of the Viper Fire, Watch Duty screenshot taken at 3:51 p.m. PDT on Oct. 19. The fire sits in the hills north of Moreno Valley and north of Highway 60; no acreage is labeled on the map, and officials have not yet released size or containment figures. Source: Watch Duty.
- 2026-10-19Viper Fire Breaks Out North of Moreno Valley in Riverside County; CAL FIRE Responding, Size and Containment PendingThis story
- 2026-10-19Update: Forward Progress of Riverside County Viper Fire Stopped at 0.5 Acres; Crews Staying for Mop-Up
