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.

In a Wednesday afternoon update, the Rio Blanco Sheriff's Office said the Town of Meeker was under a pre-evacuation notice due to "the potential for the fire to jump," while residents in areas southwest of Meeker were ordered to evacuate immediately.