Consumer fireworks are legal in Montana within statutory windows. State law limits retail sale to June 24-July 5 and December 29-31; discharge tracks those dates. Yellowstone County can further restrict or ban fireworks under fire restrictions, which it does in dry years.
Montana is permissive: permissible consumer fireworks (listed in MCA 50-37-105) may be sold and used within fixed date windows. Sale is confined to June 24-July 5 and December 29-31 (MCA 50-37-106), and use follows the same seasonal windows. Counties and cities may adopt ordinances further regulating or prohibiting fireworks under MCA 7-33-4206. Yellowstone County commissioners routinely impose Stage 1 fire restrictions in dry summers that BAN fireworks countywide. Billings, Laurel and other municipalities set their own tighter rules within city limits. Always check the county's current fire-restriction order before lighting fireworks.
Selling or using fireworks outside statutory dates, or during a fire-restriction ban, is a misdemeanor. Confiscation is authorized (MCA 50-37-109); fire-restriction violations carry separate fines.
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