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- Nevada County issued an evacuation warning for Zone NCO-379 on Wednesday.
- The Floriston Fire had burned about 20 acres and spread fast along Interstate 80.
- Wildfire closures shut westbound I-80 lanes near Floriston and the state line.
The Nevada County Sheriff’s Office on Wednesday issued an evacuation warning as authorities respond to a fast-moving wildfire burning along Interstate 80 in Floriston that torched nearly 300 acres in less than 90 minutes.
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At 10:58 a.m. Wednesday, the Sheriff’s Office issued the evacuation warning for Zone NCO-379, which is just northwest of I-80 and several miles north of Lake Tahoe.
Firefighters were at the scene battling the Floriston Fire burning along Interstate 80 at the Floriston exit, according to the Cal Fire Nevada-Yuba-Placer Unit.
Firefighters with the Tahoe National Forest were also responding to the wildfire. Cal Fire officials said the Floriston Fire had burned about 20 acres with a spot fire burning about a mile ahead of the main fire.
The Floriston Fire was reportedly moving at a fast rate of spread. By 12:30 p.m. Wednesday, the wildfire had charred 298 acres, according to Cal Fire.
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Sheriff’s officials said the Floriston Fire was burning near Floriston Way, and people who need additional time to evacuate, and those with pets and livestock, should consider leaving immediately.
At 11:33 a.m. Wednesday, Caltrans officials announced that the one of the westbound lanes on Interstate 80 was closed between Farad Road and Floriston because of the wildfire. Nevada Department of Transportation had closed I-80’s westbound lanes at the California state line.
Caltrans officials said the wildfire could spread and there was not estimated time for the road to reopen.
At 11:55 a.m., the Sheriff’s Offices issued evacuation warnings for zones NCO-E105 and NCO-E106, which are east of Interstate 80. Sheriff’s officials said drivers should avoid the area, expect significant delays and allow emergency personnel enough space to work safely.
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This story was originally published September 16, 2026 at 11:58 AM.