Very Light Snow For Some Today Ahead Of Winter Storm Tomorrow Morning

Hello everyone!

Today will feature increasing clouds and some very light snow as a powerful winter storm to our southwest begins its approach to the region. Morning breaks of sun along the coast and in eastern parts of the area will be short-lived as clouds stream in from the south and west. As we move into the afternoon hours, light snow will begin to fall over the mountains and foothills. Later in the afternoon and evening, snow will expand to include the coastline. Overall, today’s snow should be relatively low-impact and shouldn’t accumulate any more than an inch at most.

High temps today will range from the low 20s up north to around 30 in southern NH.

Our next winter storm will arrive from southwest to northeast overnight tonight into the early hours of tomorrow morning. Steady snow should arrive in southwestern NH around midnight before pushing into Maine between 1 and 3 AM. Snow will quickly change over to sleet and freezing rain in southern NH while the rest of the region gets a solid 3-5 hours of moderate snow before sleet and freezing rain creep north.

By sunrise tomorrow, moderate to heavy snow will be falling across the mountains and foothills while snow changes to sleet and freezing rain along the coast. A few spots near the beach in southeastern NH, York County, and the Midcoast islands/peninsulas seem likely to rise above freezing as the coastal front sets up, but otherwise, I’ll be taking the under on surface temps with a northeast wind and strong cold air damming.

Mixed precipitation will eventually advance almost all the way to the Canadian border as precipitation comes to a close Tuesday afternoon.

After a good look at overnight forecast model data, I still like this snowfall accumulation map. Just remember that we’re all getting an inch’s worth of frozen rain. The mountains will see that fluffed up to 6″+ of snow while the coast will have to deal with a compacted layer of snow/sleet/ice. This will still be an impactful system even where the snowpack only grows by a couple inches.

-Jack

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