Lake effect snow bands will continue to bring light snow to the Twin Ports and North Shore tonight. Expect an additional 1-2” of snow. Winds are out of the northeast at 4-8mph continuing the lake effect snow machine. Low temps are in the upper single digits to near 10.
Another low pressure system moves in Friday. It brings a southeast flow that continues lake effect snow for the North Shore throughout the morning. The rest of the area sees a break in the snow action. The low pushes snow into the region by the evening hours. So our 80% chance of snow occurs in the late afternoon to evening. High temperatures are in the low to mid 20s.
Our low moves east and combines with a larger Low over New York State on Saturday. A small shortwave in the jet stream swings over and increases our chances of snow to 60% throughout the day mainly for places east of Virginia, Duluth, and Siren.
By Saturday afternoon, accumulations will be around 2-4” for the Iron Range, I. Falls, Duluth, Ely, and Hayward. Expect 3-6” in Ashland, Ironwood, Silver Bay, and Grand Marais. On the ridge next to Lake Superior in Cook and Lake Counties, expect around 5-8” of snow as the southeast wind at 5-15mph brings in moisture from the lake that is forced up by the hill creating higher totals.
High pressure builds from the west on Sunday. It brings cold air with it too! Morning lows are near -10 and highs reach 5 with mostly sunny skies.
Another shortwave in the jet stream swings over Sunday night into Monday morning. This brings a small 20% chance of flurries in the morning hours. Lows are down to -2 and highs reach 12.
The shortwave strengthens and turns into a powerful trough that sinks south and brings arctic air to the region Tuesday. Morning lows are down to -4 and highs reach 10 by around midday before tumbling to -16 by Wednesday morning.