Wintry Mix Expected Monday Morning

The cold is finally going a way for a few days.  Temperatures are expected to soar into the upper 40s and lower 50s early to mid week. However, it isn't very easy for warm air to just push cold air out of the way.  Cold air is more dense and warm air tends to override colder air.  This will occur Monday morning as warmer air moves in. Precipitation will fall through the warm layer as rain but as it approaches the surface it will hit that thin cold layer and will change over to an icy freezing rain/sleet mix. A glaze of ice is possible on surfaces which will create morning commute hazards so take it easy out there. It appears precipitation will transition to all rain by 11 AM. 

Notice the mix of colors across our region.  An icy wintry mix is likely for Monday morning.

Lake Effect Snow & Bitter Cold Highlight The Week

A nice shot of arctic air will move into the region this week bringing the coldest temperatures of the season thus far.  Highs will barely get in to the teens for Tuesday and Wednesday and lows could go below 0 as well.  Winds will be gusty at times during the week as well which will create numbing wind chills.

Of course with extremely cold air like this and an unfrozen lake, the lake effect snow machine kicks in high gear with flow off of the lake.  Instability from the cold air is going to be so extreme that thundersnow is possible within some of the stronger snow bands that will form.  Depending on where these bands set up ultimately determines who gets dumped on but it appears that much of our region will see at least a foot by the end of the week.

Monday (Day):  2"-5", highest amounts in the snowbelt
Monday (Night) 3"-6", highest amounts in the snowbelt
Tuesday (Day): 3"-6", highest amounts in the snowbelt
Tuesday (Day): 2"-4", highest amounts in the snowbelt
Wednesday: (Day & Night): 2"-4", highest amounts in the snowbelt

As for current advisories go...

WarningSum:...Lake Effect Snow Warning Remains In Effect Until 7 Am Est
Wednesday...

Warning Message:...Wind Chill Advisory remains in effect until 11 am EST
Wednesday...

I'll be looking for snowfall observations so go to our snowfall page and submit them to me!

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Bitter Cold To Move In Next Week

It has been fairly warm the past week or so and I hope you haven't gotten used to it yet.  The overall atmospheric pattern is about to change and we are in for some bone chilling temperatures starting next week.  It'll be the first time this season that some Arctic air will be tapped into and brought down to the midwest and northeast on a large scale. 

Monday appears to be the first chilly day with highs expected to be in the mid teens. The rest of the week looks to be just as chilly with highs ranging from the single digits to the mid teens.  Overnight lows are expected to be single digits and even below 0 for a few nights.  Hopefully the firewood is chopped and ready to go.  This will be the coldest temperatures we've seen so far this winter season. 

Tuesday night's low temperatures.  Many are expected to be below 0.