Minnesota winters are a design condition, from southern prairie to northern woods and southeastern bluffs. Ice locks the eaves. Snow loads roofs for weeks. Frost drives deep. A house that loses heat does not get a mild night to recover. Summer is shorter, humid, and stormy, with hail more common on the southern open land than in the north woods. The call starts when the building cannot keep up with the cold.
An ice dam can stain a ceiling and look, at first, like a plumbing leak. Metal and steep asphalt shed differently; valleys hold ice either way. Cabins and seasonal places freeze when nobody is there to hear the furnace quit. Occupied houses fail more quietly, at a rim joist or an outside-wall sink. Southern counties add hail the north does not lead with. Say which part of the state you are actually in.
Heating equipment here is life safety in a way milder states do not mean. A deep thermostat setback can freeze a line even when the equipment is real. Wells, buried services, and septics feel the frost depth. Mice move inside before the lasting snow. Spring opens carpenter ants in wet fascia and washouts at the foundation. Say the one that is active tonight. A thaw can raise three problems that are still three calls.
Name the town and the building: farmhouse, rambler, lakeside cabin, or a house on a slab. Say whether it is occupied every night. A cabin and a house someone sleeps in are not the same emergency. Heat off, a cold-day roof stain, or attic noise are different openings. Minnesota does not reward a vague whole-house story. Lead with the failure that will get worse before morning.
Cold like this does not wait while you compare stories from a warmer state. Name the wall or the room if you know it. Say what failed and whether anyone is in the house. Pick the trade and call.