1500 Update

As of 1500:

 

NOAA Forecast:

 

Detailed Forecast

• Tonight Partly cloudy, with a low around 18. Wind chill values between 5 and 10. Northwest wind 8 to 16 mph.
• Sunday A slight chance of snow after 1pm. Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. West wind 8 to 10 mph. Chance of precipitation is 20%.
• Sunday Night Snow, mainly after 10pm. Low around 28. Wind chill values between 20 and 25. Northwest wind 5 to 10 mph becoming east 11 to 16 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
• Monday Snow and freezing rain before 3pm, then snow and sleet likely. Temperature falling to around 21 by 5pm. Wind chill values between 5 and 15. Breezy, with a north wind 17 to 23 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.
• Monday Night A slight chance of snow and sleet before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Blustery, with a north wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Chance of precipitation is 20%.

 

 

Additionally:

PA OPS says snow is expected to start around 2100 on Sun with 3 to 5 inches of accumulation by 0600 Mon morning.  The temperature will rise a bit and precipitation will change to snow/sleet/freezing rain with 1 to 2 inches additional accumulation with storm ending by 2000 to 2100 Mon.