Snow could be very heavy at times, and in some cases, people were told to delay all travel until conditions improved.

An updated snow squall warning was released by the National Weather Service on Friday at 3:46 p.m. in effect until 4 p.m. for Centre County.

A lot of snow, rain and cold weather await travelers for the rest of the Thanksgiving holiday weekend, with winter storm warnings posted Friday across the northern part of the country and more snow falling over the Great Lakes region.

"Travel conditions will be challenging across the northern Plains, Great Lakes and east coast," the NWS has warned.

For the next week, the high in Metro Detroit won't rise above 36 degrees, according to the National Weather Service. Friday and Saturday will see highs of 34 degrees, then Sunday will be slightly warmer, topping out at 36. On Monday, temperatures drop to 29 and won't rise above 30 until Thursday.

Accumulating snow is likely over the Thanksgiving holiday weekend, but there are still questions as to how much snow the Chicago area will see.

Blizzard warnings were in effect in parts of the upper Midwest on Wednesday as a winter storm continued to churn eastward across the region, dumping heavy snowfall that forecasters warned could snarl Thanksgiving plans.

Freezing air, constricted blood vessels, and the sudden strain of lifting heavy, wet snow can seriously increase your heart attack risk in a short amount of time.

The new holiday movie "The Snow Must Go On" follows a former Broadway star as he agrees to direct his niece’s high school Christmas musical in hopes of impressing an influential Broadway producer.