ERIE, Colo. (CBS4) – Several controlled burns took place on Colorado’s Front Range on Monday, including one in the Rocky Mountain Arsenal National Wildlife Refuge and in Weld County just north of Erie.

The controlled burn in Weld County (credit: CBS)

The controlled burn in Weld County (credit: CBS)

Firefighters in other districts were on alert Monday as most of Colorado is under a Red Flag Warning.

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Hot temperatures and high winds are the perfect ingredients for a wildfire. Crews are trying to get rid of dry fuels before the weather really heats up.

Wildfire Resources

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– Visit’s Living With Wildfire section.

Wildfire Photo Galleries

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– See images from the most destructive wildfires (Black Forest, Waldo Canyon, High Park and Fourmile) and largest wildfire (Hayman) in Colorado history.