Allegany County temperatures start plunge as multi-faceted Winter Weather Advisory goes into effect at 10AM

Temperature drops have started to occur in Allegany County, NY, as rain changes over to snow around sunrise and potential for a FLASH FREEZE for roadways and other hard surfaces increases.

A WINTER WEATHER ADVISORY for multiple weather components remains in effect from 10AM today through 7PM Christmas Day for the county, with varying time schedules for high winds, blowing snow, WIND CHILL WARNINGS and other alerts in neighboring counties.

Central Allegany temperatures, with variations at different locations, are project by the US National Weather Service Buffalo NY at just above freezing at this hour, with wind chills some 10 degrees lower.

The gap is expected to continue to expand to just above 20 and around five degrees respectively at 10AM when the Advisory goes into effect. By 1PM, temperatures are projected to be around 10 degrees, with a wind chill of -13.

Overnight lows are expected to reach windchills of -24 degrees from 7PM to 7AM Saturday, with below-zero windchills continuing through the Advisory period, reported to be the coldest Christmas period in years.

Due to the complexity of the Arctic storm and conditions, readers are encouraged to go to our Weather Resources Page at for an overview and details on Allegany and neighboring counties, served by three different National Weather Service forecast offices.
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