Some of this is already mentioned, but some other information as well that may be helpful.
Practice starts March 19th as stated above with the first scrimmage scheduled for the 24th of March, the second on the 14th of April in the evening and the final scrimmage scheduled on the 21st of April.
Practice Days:March 19, 21, 23, 26, 28-April 9, 11, 13, 16, 18, 20
All of these seem to fall under the "tentative" label and can change like Montana's weather. This is at least a basis. Hope it helps.