City of Colstrip issued the following announcement.
Fireworks Restrictions
In accordance with City of Colstrip Code 5-5-3, the only time it is permissible to detonate, combust or display legally authorized fireworks is from July 1st through July 4th from eleven o’clock (11:00) a.m. to eleven o’clock (11:00) p.m., except that fireworks will be allowed to be detonated until midnight on July 4th.
Original source can be found here.