From the US National Weather Service
⚠️Latest Tonight/Monday Winter Storm Update⚠️
❄️ No expansion was needed in our Warning/Advisory products this evening as the storm track has shifted slightly south. The result of this is to slightly increase snow totals in northern WV (lower chances for sleet/freezing rain) and to decrease totals slightly across the Pittsburgh Metro as the sharp snowfall gradient is nudged south.
🕐 Timing has not changed. Snow begins south of Pittsburgh later tonight, and north of Pittsburgh early tomorrow morning. Heaviest snow is expected overnight through mid-morning Monday, with moderate snow quickly ending from North to South. Snow will linger longest in the Allegheny Mountains.
🌨 Also of note, once snow from this system ends, our winds become northwesterly. That will allow on and off lake effect/enhanced snow showers beginning Monday night through much of the week. Additional light accumulations are expected, with highest totals north of Pittsburgh and in the mountains.
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