Maine Weather Alert Tomorrow: Snow Squalls & Dangerous -20°F Wind Chills

Overnight wind chills fall to -20°F to -15°F with blowing snow in open areas.

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Snow Squall
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Caribou, ME – Maine drivers should prepare for hazardous travel Thursday as snow squalls are expected to develop across northern and eastern parts of the state, according to the National Weather Service in Caribou. Forecasters say conditions could deteriorate quickly as bursts of heavy snow combine with gusty winds to create sudden drops in visibility.

NWS says snow may begin in western areas during the morning before expanding eastward through the afternoon. The agency warns that squalls could be intense at times, producing whiteout conditions, slippery roads, and flash-freeze hazards as temperatures drop behind an approaching front.

Once the front passes, cold air surges into the region Thursday night, sending wind chill values plummeting to -20°F to -15°F. Gusty winds may continue blowing snow in exposed locations, further reducing visibility for late-night travelers.

Forecast maps released Wednesday show much of Aroostook, Penobscot, Piscataquis, and Washington counties with the lowest wind chills, including communities such as Houlton, Millinocket, Fort Kent, Presque Isle, and Lincoln. Inland wind chills could be especially severe where winds remain strong after sunset.

NWS also issued a marine update, noting that gale-force conditions are possible Thursday evening along the coastal waters, with strong winds and rough seas developing offshore.

Looking beyond the immediate event, forecasters say another round of snow showers is possible late in the weekend and into early next week.

In a separate update, NWS Caribou shared verification maps reviewing snowfall from the December 2 storm, comparing observed totals with previous forecasts. Much of central and eastern Maine received 3–6 inches, with localized higher amounts near the coast and Downeast region.

Officials urge residents to prepare for rapidly changing conditions Thursday, avoid sudden braking during squalls, and dress appropriately for extreme wind chills if spending time outdoors.