A strong upper level trough will arrive early Saturday morning bringing significantly cooler air and accumulating snow, at least across portions of the high country.

It’s going to be a cold, wet weekend in Colorado as rain showers and thunderstorms move in on the metro area and the mountains prepare for snow, according to the National Weather Service. Friday will be the last day of above-normal temperatures and dry conditions before thunderstorms and snowy weather hit Colorado on Saturday,

The weather in Colorado will either be very exciting for some people or very disappointing for others this weekend. In the waning days of summer, snowfall is expected to hit parts of Colorado.

Colorado’s first fall weekend could be cool, soggy and snowy in some areas. A low-pressure storm system packing moisture from the Gulf of California is developing over the Southwest desert and tracking toward the state,