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Big changes coming to CNY weather Wednesday

SYRACUSE, N.Y. (WSYR-TV) – We go from feeling like May to a mid-winter feel in a matter of hours. When does this big change occur, how much snow could fall, and how cold does it get? All the details are below…

Record warmth departs quickly…

Spring-like warmth led to a record high Tuesday and could mean another one Wednesday with highs at least in the mid 60s. The warmth, however, comes to an abrupt end late Wednesday afternoon and evening.

When does it turn cold?

What will bring the record warmth to an end? A strong, fast-moving cold front due to zip through between about 3 and 6 pm with heavy rain and possibly a gusty t-storm.

Wednesday evening commute impacted?

Behind the cold front, temperatures fall rapidly out of the 60s and into the 30s (Flash freeze), and eventually 20s Wednesday evening between about 5 and 9 pm. As temperatures drop below freezing during the evening, which could very well include the evening commute, this will cause anything wet to turn icy. So, travel likely becomes dicey Wednesday evening after 5 or 6 with even a quick coating to an inch of snow possible Wednesday evening as rain ends as a little snow.

Howling winds bring about the cold change

Winds will also shift from southwest to northwest and howl at times over 45 or 50 mph in the wake of the cold front dropping wind chills into the single digits later Wednesday night. These kind of winds could produce scattered power outages and minor property damage.

Cold air spells lake snow, but where?

This quick temperature plunge will be followed by a band of lake snow developing southeast of Lake Ontario near the Syracuse area late Wednesday night into Thursday morning.

5 to 8 or more inches is possible in the most persistent snows during this time frame which may include the Syracuse area. This could make the Thursday morning commute a tricky/slick one for the Eastern Finger Lakes/Syracuse area.

Thankfully, high pressure builds in quickly with drier air causing the lake snow to dissipate quickly Thursday afternoon and the winds to settle later Thursday afternoon too.

Click here for the latest 7-day forecast

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