Americans in two states have been told to brace for heavy snow that is likely to create hazardous travel conditions in fresh winter storm warnings issued by the National Weather Service (NWS). Winter storm warnings for parts of the West and Alaska will potentially impact holiday travel and local communities with difficult roadways.

Our next weather system will bring mountain snow along with valley snow or rain/snow Sunday night into Monday. Cooler and active weather sticks around next week.

In the colder months, it's not uncommon for snow to fall on on Hawaii's mountain peaks since they are nearly 14,000 feet high.

A Winter Weather Advisory goes into effect Sunday night and runs through Monday due to a possible 3 to 8 inches of snow. Travel may be difficult overnight on the higher mountain passes as wind gusts could reach over 50 mph.

Denver has officially passed the benchmark for its fifth-latest first snow on record, and the chances for snowfall this week remain slim, according to the National Weather Service.

A mix of rain and snow is possible in areas along and north of Interstate 80 in northern New Jersey, the weather service said. “Any accumulations are forecast to be a trace to less than 1 inch at this time.” Temperatures tonight will range from the upper 20s to freezing in northern areas to the mid-30s to low 40s elsewhere.