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Weld County, CO Fire Regulations: Fireworks (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified July 2026

Key Facts

Aerial/explosive fireworks
Illegal statewide
Permissible fireworks
Ground-based only
Governing statute
C.R.S. 12-28-101
During fire bans
May be fully banned
Local override
Cities can ban all

Summary

Only non-aerial, non-explosive "permissible fireworks" are legal in Colorado. Aerial devices, firecrackers, Roman candles and mortars are illegal statewide. Weld County and its towns may ban even permissible fireworks during fire restrictions, which are common on the dry high plains.

City-specific rules exist: Greeley has its own fireworks rules that differ from Weld County's county-level regulations. If you live in Greeley, check the city-specific page instead.

"Permissible fireworks" do not include aerial devices or audible ground devices, including, but not limited to, firecrackers.

Full Breakdown

Colorado law (C.R.S. 12-28-101) allows only ground-based "permissible fireworks" that produce a shower or fountain; anything that leaves the ground or explodes is prohibited. Cities such as Greeley and Evans, and the towns, set their own local limits and may prohibit all fireworks, and the county or a fire authority routinely bans fireworks during Stage 1 or Stage 2 fire restrictions. Always check current restrictions with the Weld County Sheriff and your municipality before July 4. Discharge on public land or during a fire ban draws enforcement.

Violations & Fines

Illegal fireworks are a class 3 misdemeanor under state law; local ordinances and fire-ban orders add municipal fines and possible liability for any resulting fire.

Frequently Asked Questions

Are firecrackers or bottle rockets legal in Weld County?
No. Colorado classifies firecrackers, bottle rockets and any aerial or exploding device as illegal fireworks; only ground-based fountains and sparklers qualify as permissible.
Can fireworks be banned even if they are permissible?
Yes. During declared fire restrictions the county, a fire authority or a town may prohibit even permissible fireworks. Check current orders before you buy or use any.

Sources & Official References

Other rules in Weld County

All Weld County rules

How Weld County compares: Cities Where Fireworks Are Banned or Heavily Restricted·Compare Weld County to another location·View the Colorado fire regulations overview

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Fireworks in Cities Across Weld County