Overview

• The National Weather Service has posted freeze warnings and frost advisories from midnight to 8 a.m. Sunday for inland and mountain areas of the four states, leaving coastal zones out of the alerts.
• Overnight lows are forecast to fall into the 20s to low 30s under clear skies and light winds following a strong cold front and building high pressure.
• Forecasters urge residents to protect tender plants and exposed plumbing, noting the risk to late-season gardens and crops.
• Named locations under alerts include Central Somerset, Northern Franklin, Northern Oxford, Northwest Aroostook and Northern Piscataquis in Maine; Northern and Southern Coos in New Hampshire; Hamilton, Southern Franklin, western Clinton and St. Lawrence in New York; and Essex County in Vermont.
• Local offices report the cold snap is short‑lived, with temperatures rebounding into the 60s and 70s early next week.