The first measurable rainfall over New Jersey in weeks raised hopes on Monday of snuffing out a rash of wildfires that has plagued the state, while stronger winds brought concern that a California blaze that had already destroyed dozens of structures could start expanding again.

Fire crews continued battling wildfires on Sunday, including a blaze in New York and New Jersey that killed Dariel Vasquez, an 18-year-old state parks employee. New Jersey’s state forest fire service said Sunday that the blaze — dubbed the Jennings Creek Wildfire — was threatening 25 structures,