Snow is already falling in parts of the High Country, and it could fall in the mountains and lower elevations tonight and into Wednesday.

Greg Heavener, a meteorologist with the National Weather Service’s Boulder office, said there’s a lot of uncertainty in the forecast models, but there’s a good chance it will happen. heavy snowfall Up to 8 inches could accumulate in the Pikes Peak region, and up to 10 inches could fall near Castle Rock, Palmer Divide and Limon.

Heavener said heavy snowfall, driven by wind, is expected along the Interstate 70 corridor east of metro Denver and the Eastern Plains.

“It’s not a blizzard, but there are near-whiteout conditions for periods of time,” he said.

The weather service’s Pueblo office released a winter storm warning For areas and parts of central, east-central and southeastern Colorado that could receive up to 18 inches of snow, including the Sangre de Cristo and Wet Mountains. Forecasters said more than 5 inches could fall on parts of the Central and Southwest Mountains.

The weather service also issued a separate winter weather alert covering much of the Western Slope, warning that several inches of snow and high winds could make roads slippery, reduce visibility and make driving difficult overnight and during the Wednesday morning commute.