Wintry mix on the way tonight.

Weather Blog

Rain to snow overnight

There is a conveyor belt of precipitation moving ahead of a cold front that is slowly moving in from the west.  The situation is that the rain ahead of the front should continue off and on into the late day and early evening, then transition to snow as the front moves across.  The amount of snow accumulation will be around an inch generally with some pockets of 2 – 3” possible.  The issue with the rain to snow is always the accumulation process, meaning how much will be measured on the ground.  The snow will fall and melt for several minutes before getting to the accumulation point so although the snow is falling, it is not accumulating.  The ground is fairly warm which will be the reason for the slow buildup of snow.  Bottom line is that there will be some slushy snow on bridges and overpasses for the morning commute Wednesday, with some wet snow on grassy areas and some other elevated locations like your car or your back deck.

This should be a quick shot of snow with the skies clearing quickly after the snow stops around 5 – 8 am (lingering a bit longer over the Piedmont).  Once the snow and wintry mix end the rest of the day should be on the sunny side albeit chilly.  Highs through the rest of the week will be in the upper 30s to low 40s.  Overnight temperatures should be in the 20s.  

The next concern weather-wise will be the potential for freezing rain on Friday morning.  Freezing rain is rain that freezes on contact coating surfaces with an icy glaze.  This event Friday does not seem to be shaping up into an “ice storm” type of event, but we could see a period of time with about a tenth of an inch of ice accumulating on elevated surfaces.  Your car windshield, your back deck, bridges and overpasses along with tree limbs and power lines.  The weight can be overwhelming for some dead or dying limbs if the ice is thick enough.  This event is not expected to be all that impressive, but any icy road is a dangerous road, so please be cautious this Friday morning.

The freezing rain will be quickly followed by rain so there is also a chance for some foggy pockets Friday afternoon.  There won’t be much temperature change Friday either as temps will top out in the upper 30s Friday and be at that number Saturday morning as the cold rain continues.

We dry out late in the day Saturday and should be dry and sunny on Sunday.  More clouds move in Monday afternoon as another chance for freezing rain arrives on Tuesday.  More on that as we get closer to the event.

Stay Safe.

John Carroll
Chief Meteorologist

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