Fall is bringing in a blast of cold temperatures in Colorado, plus heavy rain and significant mountain snow, prompting the first Winter Weather Advisory of the season for the Northern Front Range mountains.

Tuesday is a First Alert Weather Day for drenching Denver rain and the heavy mountain snow. Fall arrived at 12:19 p.m. on Monday afternoon and, right on cue, the first storm system of the season blasted into the Rocky Mountain region.

The leading edge of the cool and wet weather change pushed through eastern Colorado late on Monday afternoon bringing in soaking rain showers and thunderstorms from the mountains across the plains.

Tuesday will begin with mountain snow and rain showers over extreme northern Colorado. By noon, a surge of moisture, cool air and upslope will slam into the

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