After two overnight lows in the upper teens and low 20s, even colder weather is on the horizon. Clouds continue to thicken up this afternoon and evening out ahead of an arctic front. This front is going to drag the coldest air we have seen since last winter. Temperatures are already down to 10 degrees in Duluth!
Precipitation does not arrive until around 9-10PM, when temperatures are still above freezing. Initial precipitation starts out as rain but will quickly switch to snow, first on hilltops, by Midnight as temperatures drop fast. Because temperatures are dropping at a quick rate and the roadways will be wet from the rain, a flash freeze is possible. Be careful on roadways, parking lots and sidewalks as black ice is possible. Snow showers move through during the overnight with lake effect snow will be snow developing by Friday morning.
Lake effect snow will be short lived on Friday as dry air and sunshine win the battle. We are not expecting much in the way of snowfall, but enough to coat grass surfaces and pavement on higher elevations.
Despite the sunshine, temperatures are going to struggle to get into the mid to upper 20s. Factor in a brisk wind, it will feel more like the single digits to teens throughout the day. The record lowest high for Friday is 28 degrees, so that record could be broken. Another record that is more likely to be broken is the overnight low for Saturday. The skies clear out and the wind diminishes Friday night so by Saturday morning, temperatures drop into the single digits to low teens. The record low for Saturday is 12 degrees.
The good news is that the cold air doesn't last and temperatures turn more seasonable by next week.