Authorities say none of the shootings were connected and no motives have been disclosed.
The first occurred late Friday at a city sports bar. Police say the victim, a man in his mid-30s, was pronounced dead at the scene.
The second shooting occurred around 5 a.m. Saturday, when a man in his 20s was killed on a city street. A woman who was nearby was shot once in the foot, but she was treated at a hospital and released.
The other victim, a 17-year-old city resident, was fatally shot on a city street around 3:20 a.m. Sunday.
No arrests have been made in the shootings.
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