A sharp cold front will sweep through the Lehigh Valley on Thursday, bringing significantly colder temperatures and gusty northwest winds.

Residents should prepare for a rapid temperature drop, with daytime highs only reaching the mid to upper 30s Thursday before remaining below freezing on Friday in the Lehigh Valley. At Lehigh Valley International Airport, a low of 10 is forecast overnight Thursday into Friday morning.

Up first, Wednesday is forecast to be sunny with highs in the mid to upper 30s and west wind around 5 mph.

Any wet spots remaining from Tuesday’s wintry mix may have become slick with black ice, particularly north of Interstate 78 where the greatest amounts of frozen precipitation fell, according to the National Weather Service . Rising daytime temperatures are expe

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