From the WABI-TV5 & CW Forecast Center:
The ridge of high pressure that brought the bright conditions to New England Friday will continue to control the conditions across our area much of the weekend. The high will bring mostly sunny skies to Maine today and as the late February sun goes to work the temps will warm into the 20 across most of the state after another sub zero start to the day. The high will produce clear skies and a light wind in our region tonight as it drifts right across New England. Once again the combination of clear skies, a light wind and a deep snowpack will combine to bring very cold conditions to Maine by daybreak Sunday as lows dip below zero across most of the state.
As the arctic high departs to our east later Sunday clouds ahead of an approaching storm system will begin to increase across New England. The storm will likely bring Maine some snow later Sunday night and Monday morning as it works east through Southern New England. At this point in time it appears the storm will bring a light to possibly moderate snowfall to our area, with most locals picking up between 1 to 4” of snow. Temperatures both Sunday and Monday will run a little closer to normal for the first few days of March as highs range from the mid 20s to lower 30s.
Once the Monday morning storm and its associated cold front depart to our east another shot of arctic air will build back into Maine for Monday night and Tuesday. A stronger storm will likely move into the Northeast later Tuesday night and Wednesday and bring somewhat heavier snow and mixed precipitation into our region for the middle of the workweek. There remains a lot of uncertainty as to the track of our potential midweek storm. A storm track to our northwest would lead to snow changing to mix and rain in our area, but a more southerly track would hold the cold air in place and cause most if not all the precipitation to fall as snow. It currently appears the storm will track up just to the west of New England later Wednesday and that would cause the precipitation in much of Maine to mix with or change to rain after an initial burst of snow late Tuesday night and Wednesday morning. After a brief warm-up later Wednesday and early Thursday a new shot of arctic air will send temperatures tumbling for the end of the workweek all across New England.
Today: Mostly sunny, with a light breeze and high temps in the upper teens north to upper 20s south.
Tonight: Clear, with a light wind and cold, with low temps between -8 and +6.
Sunday: Sun to increasing clouds, with light wind and high temps in the 20s to near 30.
Monday: Morning light snow, with a northwest breeze at 5 to 15 mph and high temps in the mid 20s to mid 30s.
Tuesday: Partly sunny, blustery and cold, with high temps in the upper teens and 20s.
Wednesday: Snow to mix likely, with high temps in the 30s.
Thursday: Mostly cloudy, with morning snow and rain showers possible and high temps in the upper 20s to mid 30s.
WABI-TV5 & CW Meteorologist