Barack Obama to visit Colorado on Friday as more residents told to be prepared to evacuate at a moment's notice if blaze grows
Over 30,000 people have been forced to evacuate their homes as eight separate wildfires burn across the state
Temperatures of over 100F (38C) and low humidity means fires continue to spread – with more hot weather forecast
Wildfires, which have ravaged more than 3,000 acres and forced thousands from their homes, are expected to grow further
High winds have fanned flames near Salt Lake City, leading to the removal of 2,300 families in at-risk areas
