Smoke from agricultural burn fills the Colorado sky in southwestern Weld County

A large plume of smoke is coming from a rural area in Weld County. It's coming from an agricultural, prescribed or controlled burn not far from Platteville and Fort Lupton on Highway 85 -- that's in the southwestern part of the Colorado county.

Fire engines could be seen at the location.

For people who see the smoke, there's no need to call 911.