Light Snow Lingers in Western PA Today. Chilly. DC to see Rain/Snow with Snow Accumulations North of City Through Tonight. NYC/Boston Prepare for Blizzard. 18-24″ Possible.

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Well the clipper system brought some snow to much of PA last night, but accumulations were pretty limited with Pittsburgh seeing the bulk of snow with between 3 and 6 inches. Light snow looks to potentially linger on during the day today in western PA as most locations should see an inch or two at most. Mostly sunny skies will push in on Wednesday. The DC Region will see a mix of rain and snow today and tonight, with potential for some accumulation to the north of the city. Could see 1-3″ of snow to the north of DC with possible higher amounts up towards Frederick and northern Maryland. Light snow could continue into early Tuesday before mostly sunny skies move in on Wednesday. Highs in the mid 20s to low 30s today in western PA will drop into the low 20s tomorrow as 20s hold steady into Wednesday. Lows in the mid 10s to low 20s tonight will drop into the upper single digits and 10s tomorrow night before mid 10s to low 20s return Wednesday night. The DC Region will see highs afternoon highs in the mid to upper 30s today and tomorrow before low to mid 30s settle in on Wednesday. Lows in the mid to upper 20s tonight will drop off into the upper 10s to mid 20s Tuesday night and Wednesday night. Worst of coastal storm for NYC and Boston comes later this afternoon/evening and into early Tuesday. Snowfall rates over 1″/hour possible as winds could gust over 60 mph. If you live in NYC, Long Island, Connecticut, Rhode Island, Massachusetts, southern New Hampshire, and southern Maine, prepare to get a hefty amount of heavy, wet snow. As for Philly, somewhere between 5 and 10″ of snow could fall in the region, with the higher amounts possible in eastern Philly and eastward. Overall, a mess of a day, night, and early Tuesday for the Northeast. Be safe and take care folks!

Current (~6-6:50am) Temperatures:
  • Erie, PA: 17; Wind Chill: 6
  • Franklin, PA: 19; Wind Chill: 9
  • New Castle, PA: 21; Wind Chill: 12
  • Butler, PA: 25; Wind Chill: 15
  • Pittsburgh, PA (KAGC): 31; Wind Chill: 26
  • Uniontown, PA: 34; Wind Chill: 34
  • State College, PA: 16; Wind Chill: 5
  • Frederick, MD: 34; Wind Chill: 27
  • BWI Airport, MD: 32; Wind Chill: 22
  • DC (KDCA): 40; Wind Chill: 32


Western PA:

Main threat: Lingering light snow could allow for slick untreated roads.

  • Today: Light snow risk continues. Mostly cloudy, otherwise. Afternoon Highs: Mid 20s to Low 30s Overnight Lows: Mid 10s to Low 20s
  • Tuesday: Chance of light snow early. Mostly cloudy, otherwise. Highs: Low 20s Overnight Lows: Upper single digits/10s
  • Wednesday: Mostly sunny. Highs: 20s Overnight Lows: Mid 10s to Low 20s

DC Region: 

Main threat: Accumulating snow later today and into tonight could allow for slick roads mainly north of Washington, D.C. itself.

  • Today: Chance of rain/snow. Accumulations possible mainly north of city later on. Windy. Afternoon Highs: Mid to Upper 30s Overnight Lows: Mid to Upper 20s
  • Tuesday: Chance of lingering light snow early mainly north of the city. Then drying out. Windy. Highs: Mid to Upper 30s Overnight Lows: Upper 10s to Mid 20s
  • Wednesday: Mostly sunny. Windy.  Highs: Low to Mid 30s Overnight Lows: Upper 10s to Mid 20s

Good News: Drier conditions will help clean up in NYC/Boston on Wednesday.

Bad News:  Blizzard conditions likely from NYC to southern Maine over the next couple days. Don’t drive this afternoon into tomorrow if you are in these locations. Another clipper Thursday into Friday could bring additional snow.