Will it get so cold that the trees in your yard explode and fall over? Here's the weather science behind all the "exploding tree" talk.

Tree sap is mostly water with sugars and minerals, and like many liquids, it expands when it freezes. Gradual freezes usually don’t harm trees — even if it gradually cools to subzero — but plunging temperature swings cause uneven freezing and internal pressure. This stress can crack the bark and wood, producing what sounds like a loud pop.

We're not even one month into 2026, and with everything that's happening, now we have to deal with exploding trees? No, not entirely. But a sudden deep freeze is going to send temperatures plummeting in much of Canada and the U.