Montana magazine is published in Helena [1] and is a good collage of history, photography, travel information, discussion of current issues, and whatnot. You’re warned: It can become addictive reading. Call 800/821-3874 in Montana or 800/654-1105 out of state for subscription information.
Montana Outdoors is published by the Montana Department of Fish, Wildlife, and Parks and contains the latest information on fishing, hunting, and recreation, and of course, great photography. Call 800/678-6668 for subscription information.
Links:
[1] http://www.moon.com/destinations/montana/butte-helena-and-southwestern-montana/helena