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How is the Fire Danger Rating determined?

The North Dakota Fire Danger Rating is a broad scale assessment that is issued each morning at approximately 6:45 CST during fire season by the U.S. Forest Service (USFS). The fire season is typically from April 1st to October 31st. The USFS calculates the Fire Danger Rating using grassland fuel moisture, forecast temperature, humidity, wind speed, and topography.

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