Red Flag (Fire Weather) Warning 2025. Nws issues a red flag warning, in conjunction with land management agencies, to alert land managers to an ongoing. Some san diego county residents are preparing for the worst as red flag warnings take effect, signaling potentially critical fire weather conditions.

A red flag warning of critical wildfire danger will be in effect from noon tuesday through 6 p.m. Strong wind gusts and dry conditions increased the fire danger in denver’s weather while snow caused slick travel through the mountains monday, but that’s wrapping up heading.