Two lightning-sparked wildfires burning near Meeker in Rio Blanco County had scorched 45,000 acres and 14,250 acres, respectively, as of Wednesday evening, fire officials said.

Colorado Gov. Jared Polis mobilized the state’s National Guard on Wednesday to support firefighting efforts near Meeker.

Four fires burning on Colorado’s Western Slope have spread to more than 31,000 acres and forced ongoing evacuations, fire officials said Wednesday.