When the National Weather Service issues active Red Flag Warnings affecting Larimer County, they will appear here.

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  1. Red flag warnings are issued when the weather forecast and drought conditions meet specific criteria
    where a small spark could lead to a large wildfire. In Larimer County, they imply very low humidity, high
    winds, and warm temperatures.

  2. No. Red flag warnings can be issued any time of year. The Marshall Fire, which started on December
    30 th , 2021 is a good example of a wintertime red flag day.

  3. The National Weather Service issues red flag warnings. They analyze the forecast and drought
    conditions and inform news agencies, who help spread the message.

  4. Red flag warnings are generally issued for 12, 24, and 48-hour periods.

    • All burn permits issued by Larimer County are not valid on days with an active Red Flag warning.
    • All open fires outdoors including agricultural burns and campfires are discouraged.
    • Use propane grills and heating lamps with caution.
    • Do not throw cigarettes or matches out of a moving vehicle.