Yellowstone's northern half is unlikely to reopen this summer due to severe flooding

Yellowstone National Park officials now say some entrances could reopen "as early as this weekend" after historic floods hit Monday.

But, they say, "it is probable that road sections in northern Yellowstone will not re-open this season due to the time required for repairs."

Yellowstone's northern road loop includes the Grand Canyon of the Yellowstone, popular wildlife viewing areas in the Lamar Valley, and the Mammoth Hot Springs Lodge and park headquarters.

The southern road loop, which sustained less damage, accesses Old Faithful geyser, Yellowstone Lake and a major visitor center. But, Park Superintendent Cam Sholly says, "half