IMPACTS: No concerns to travel for most of the day Sunday, but once the snow arrives, expect road conditions to deteriorate rather quickly.
Look for a high of 25 and a low of 21 tonight as more light snow moves in around midnight.
The advisory ended around 3 p.m. This may help mitigate some of the snow accumulations initially before the cold breaks through. But as the cold air catches up to the rain, the rain could mix with or change to snow Tuesday evening. Some accumulation seems likely before the snow ends by midday Tuesday.
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The snow will fall for roughly 7 to 9 hours over the Valley. We will see melting taking place during this time even with temperatures falling throughout the day.
Temperatures will tumble through the teens during Thursday afternoon with overnight low temperatures in the teens below zero by Friday morning. Light snow will develop again Sunday night through Monday morning. Extreme Cold Weather Alerts are issued when the temperature in the daily forecast is estimated to reach approximately -15 degrees Celsius or colder, or when the wind chill is forecast to reach -20 or colder. From the folks at AccuWeather: "Ahead of the harshest cold yet this season, a storm will lay a swath of snow, slippery travel and disruptions to daily routines across the midwestern United States beginning on Sunday". Once we drop into the 20s Tuesday morning we aren't expected to get above freezing until Friday afternoon.
She said: "As we move into Saturday we still have that westerly breeze but this area of low pressure pushes this cold front in from the west".