California, Nevada Severe Red Flag Warning | Effective 06/18/2026 13:49

Headline: 
Red Flag Warning issued June 18 at 1:49PM PDT until June 19 at 11:00PM PDT by NWS Reno NV
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
June 18, 2026 - 1:49pm
Expires: 
June 19, 2026 - 1:00pm
Description: 
The National Weather Service in Reno has issued a Red Flag Warning for thunderstorms and strong outflow winds, which is in effect from 8 AM to 11 PM PDT Friday. The Fire Weather Watch is no longer in effect. * CHANGES...The Fire Weather Watch has been upgraded to a Red Flag Warning. * Affected Area...Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 278 Eastern Lassen County, Fire Weather Zone 458 Northern Washoe County. * Thunderstorms...Isolated dry lightning will be possible Friday morning before thunderstorm coverage increases Friday afternoon. * Outflow Winds...Gusty and erratic thunderstorm outflow winds, even well away from rain cores. Gusts to around 50 mph possible. * Impacts...Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity before first responders can contain them.
Instruction: 
Avoid outdoor activities that can cause a spark near dry vegetation, such as yard work, target shooting, or campfires. Follow local fire restrictions. Check weather.gov/reno for updates and livingwithfire.info for preparedness tips.
Area Description: 
Surprise Valley California; Eastern Lassen County; Northern Washoe County
Forcast Office: 
NWS Reno NV