Philadelphia

Snow Overnight, Then Blast of Cold

NBC10 First Alert Weather Team is tracking a system that could drop 1-2 inches on the Philadelphia region

First Flakes of 2017 Fall on Philly Region

First, the Snow

Light snow is moving closer and will arrive Thursday evening. Here's how the radar looks Thursday morning:


 
Not a very impressive system, we can’t really even call it a storm. But it’s an area of snow moving in our neighborhoods tonight. Now here is what the weather map will look like this evening around 8 o'clock as the snow starts accumulating.


 
By late this evening, light snowfall will be more widespread.


 
But this light snow won't last long, it's mostly offshore by 6am, well before sunrise and before the morning commute is well underway.



So that's it, a gentle snowfall and all of it falling at night when most are at home! That will make it easier for roads to be treated before the traffic picks up Friday morning.

How much snow? Expect on average, about an inch or two. Higher elevations, mainly in Pennsylvania could get a bit more than the valleys, but not much more. The wind should also be very light, which is unusual for a snowfall.



Don’t Forget the Cold

Arctic air is moving in now, and it’s just going to get colder and colder as we head toward the weekend. Here are predicted temperatures at 7 a.m. Sunday from the latest computer model:


 
Remember, these are temperatures, not wind chills. Expect 15-30 mph winds Sunday, so wind chills should be down near ZERO in places.

But, like other cold blasts this season, it’s not going to last for long. The warm up starts Tuesday. Check out the forecast maps for Wednesday compared to normal:

[[409777945, C, 445,339]]
 
That’s the entire eastern half of the country with above normal temperatures!

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