Forecasters in the US have warned of another round of winter weather that could complicate travel leading up to Thanksgiving.

National Weather Service forecasters warned Saturday that "messy" weather may impact Thanksgiving travel in the eastern half of the United States, including the potential for the coldest temperatures this season.

Howling winds, cold temperatures and even the chance of heavy snow could be in store for many Americans across the country as they gather for their Thanksgiving feasts next week. Forecasters said there is a risk of "unsettled weather" across much of the country over the holiday from an area of low pressure in the mid-levels of the atmosphere,