Cold nights followed by sudden warm-ups are when Rochester trees go from “looks fine” to “why is that limb hanging?” fast. Freeze–thaw swings can open trunk cracks, loosen deadwood, and reveal storm damage as ice melts. This article shows the 7 most common late-winter tree hazards and a 10-minute yard scan you can do today—plus clear signs it’s time to call a pro before a branch comes down over your driveway, roof, or walkway.