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.

Multiple evacuation orders have been issued for Rio Blanco county in northwest Colorado due to fast-moving wildfires. The Lee Fire has nearly doubled in size as it approaches the town of Meeker.