Wet, cooler weather has helped moderate fire behavior.
It was safe enough for emergency personnel to assess the McDougal Lake area this week.
Existing fires grew and more fires have popped up.
The blaze had previously been constrained to an area east of Highway 2
The fire has spread quickly, and is expected to keep moving.
Visitors to the forest and BWCAW will be required to 'properly' store their food.
The campfire ban applies to all campsites in the forest, including those in the BWCAW.
Officials are worried the Canadian fires could spread to the U.S.
The agency is reminding people to stop dumping their old stuff.