Caribou, Maine – Bitter cold continues to grip Maine Sunday and Monday, with dangerous overnight lows plunging well below zero in the north and only near zero along the coast, before a midweek storm brings snow and a potential rain-ice mix to the state.
According to the National Weather Service in Caribou, high temperatures Sunday and Monday will range from the low single digits across northern Maine to the mid-teens Downeast. Overnight lows will fall to around 20 below zero in colder northern valleys, with near-zero readings closer to the coast. Wind chills will remain hazardous at times, especially overnight and during early morning hours.
Conditions stay mostly quiet through Monday with plenty of sunshine, but the cold will be persistent. Tuesday brings a slight moderation, with highs climbing into the teens north and low 30s Downeast, though clouds increase across southern sections.
Attention then turns to a developing storm system expected Wednesday. Snow is likely across northern Maine, with several inches possible, while southern and Downeast areas could see a mix changing to rain. This transition raises the risk for a light coating of ice on untreated and chilled surfaces, especially early in the event.
Travel impacts are most likely Wednesday into Wednesday night, particularly in northern and interior areas. Residents are urged to protect pets and pipes during the ongoing cold and stay alert for updated advisories as the midweek storm track becomes clearer. A milder pattern is expected late week, with highs rising into the 30s and near 40 Downeast.


