California Severe Red Flag Warning | Effective 06/18/2026 11:55

Headline: 
Red Flag Warning issued June 18 at 11:55AM PDT until June 19 at 7:00PM PDT by NWS Eureka CA
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
June 18, 2026 - 11:55am
Expires: 
June 19, 2026 - 5:00am
Description: 
The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 8 AM to 7 PM PDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Northern Trinity and Humboldt Counties including fire weather zones 403, 406, 409, and 410. * THUNDERSTORMS...Isolated, mostly dry thunderstorms may form over the higher terrain of northern Humboldt and Trinity counties as early as 4 AM Friday morning and then through Friday afternoon. Overall thunderstorm confidence remains very uncertain. * OUTFLOW WINDS...Storms could produce gusty and erratic outflow winds up to 40 mph. * IMPACTS...Thunderstorms may ignite new fires with dry fuels and in difficult to access locations. Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
Instruction: 
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Area Description: 
Northeastern Interior Humboldt and Southwestern Siskiyou Including Orleans; Eastern Interior Humboldt Including Willow Creek and Hoopa; Northwestern Trinity Including Salyer and Big Bar; Northeastern Trinity Including Trinity Lake
Forcast Office: 
NWS Eureka CA